open : Idioms & Phrases

• verb open with force
  
  • He broke open the picnic basket
• verb come open suddenly and violently, as if from internal pressure
  split; burst.
  
  • The bubble burst
• verb erupt or intensify suddenly
  flare; erupt; flare up; burst out; irrupt.
  
  • Unrest erupted in the country
  • Tempers flared at the meeting
  • The crowd irrupted into a burst of patriotism

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• noun a recognized sequence of moves at the beginning of a game of chess
  opening.
  
  • he memorized all the important chess openings

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• verb open with a clicking sound
  
  • These keys have clicked open many doors

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• an aperture or vent on the opposite side, or in a different place. -

Webster 1913

• verb open involuntarily
  drop open.
  
  • His mouth dropped open
  • Her jaw dropped

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• verb open involuntarily
  drop open.
  
  • His mouth dropped open
  • Her jaw dropped

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• verb come open suddenly
  
  • the doors flew open in the strong gust

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• (Anat.), an opening behind and below the head of most fishes, and some amphibians, by which the water from the gills is discharged. In most fishes there is a single opening on each side, but in the sharks and rays there are five, or more, on each side.

Webster 1913

• verb retain rights to
  save; keep; hold open.
  
  • keep my job for me while I give birth
  • keep my seat, please
  • keep open the possibility of a merger

WordNet

• publicly.

Webster 1913

• in full view; without concealment; openly. Obs.

Webster 1913

• verb pay attention; be watchful
  keep one's eyes skinned; keep one's eyes peeled.
  
  • Keep your eyes peeled for any policemen

WordNet

• verb retain rights to
  save; keep; hold open.
  
  • keep my job for me while I give birth
  • keep my seat, please
  • keep open the possibility of a merger

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• (Eng. Law), a writing executed and sealed, by which power and authority are granted to a person to do some act, or enjoy some right; as, letters patent under the seal of England.

Webster 1913

• noun an opening in a garment for the neck of the wearer; a part of the garment near the wearer's neck
  neck.
  

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• noun credit extended by a business to a customer
  credit account; charge account.
  
• noun an unpaid credit order
  

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• noun where the air is unconfined
  out-of-doors; open; outdoors.
  
  • he wanted to get outdoors a little
  • the concert was held in the open air
  • camping in the open

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• noun a chain of atoms in a molecule whose ends are not joined to form a ring
  

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• . (Chem.) See Closed chain, under Chain.

Webster 1913

• noun an incomplete electrical circuit in which no current flows
  

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• (Elec.), a conducting circuit which is incomplete, or interrupted at some point; opposed to an uninterrupted, or closed circuit.

Webster 1913

• communion in the Lord's supper not restricted to persons who have been baptized by immersion. Cf. Close communion, under Close, a.

Webster 1913

• (Mus.), a certain stop in an organ, in which the pipes or tubes are formed like the mouthpiece of a flageolet at the end where the wind enters, and are open at the other end.

Webster 1913

• noun the policy of granting equal trade opportunities to all countries
  open door.
  
• noun freedom of access
  
  • he maintained an open door for all employees

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• verb start firing a weapon
  fire.
  

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• noun an open recess in a wall at the base of a chimney where a fire can be built
  hearth; fireplace.
  
  • the fireplace was so large you could walk inside it
  • he laid a fire in the hearth and lit it
  • the hearth was black with the charcoal of many fires

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• (Fort.), the part of the flank covered by the orillon.

Webster 1913

• noun bone fracture associated with lacerated soft tissue or an open wound
  compound fracture.
  

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• noun any frame in which a bowler fails to make a strike or spare
  break.
  
  • the break in the eighth frame cost him the match

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• (Mus.), harmony the tones of which are widely dispersed, or separated by wide intervals.

Webster 1913

• (Naut.), a hawse in which the cables are parallel or slightly divergent. Cf. Foul hawse, under Hawse.

Webster 1913

• (Metal.), the shallow hearth of a reverberatory furnace.

Webster 1913

• noun an informal party of people with hospitality for all comers
  

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• noun an interval that does not include its endpoints
  unbounded interval.
  

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• noun a letter of protest; addressed to one person but intended for the general public
  

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• noun a marriage in which each partner is free to enter into extraneous sexual relationships without guilt or jealousy from the other
  

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• . (Arch.) See Hollow newel, under Hollow.

Webster 1913

• noun a military formation leaving enough space between ranks to allow an inspecting officer to pass
  

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• (Mus.), a pipe open at the top. It has a pitch about an octave higher than a closed pipe of the same length.

Webster 1913

• noun a primary in which any registered voter can vote (but must vote for candidates of only one party)
  

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• noun sandwich without a covering slice of bread
  open sandwich.
  

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• noun something that is supposed to be secret but is generally known
  
  • their love affair was an open secret

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• noun any very successful means of achieving a result
  
• noun a magical command; used by Ali Baba
  

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• noun a company whose workers are hired without regard to their membership in a labor union
  

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• noun rear gunsight having an open notch instead of a peephole or telescope
  

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• noun a society that allows its members considerable freedom (as in a democracy)
  
  • America's open society has made it an easy target for terrorists

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• noun a British university that is open to people without formal academic qualifications and where teaching is by correspondence or broadcasting or summer school
  

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• verb cause to open or to become open
  open.
  
  • Mary opened the car door
• verb become available
  open.
  
  • an opportunity opened up
• verb make available
  open.
  
  • This opens up new possibilities
• verb open up an area or prepare a way
  pioneer.
  
  • She pioneered a graduate program for women students
• verb start to operate or function or cause to start operating or functioning
  open.
  
  • open a business
• verb become open
  open.
  
  • The door opened
• verb talk freely and without inhibition
  

WordNet

• . See Open, a., 9.

Webster 1913

• noun a weave in which warp threads never come together, leaving interstices in the fabric
  

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• adjective satellite in the open air
  alfresco.
  
  • an alfresco lunch
  • an open-air theater

WordNet

O"pen-air` adjective

Definitions

1. Taking place in the open air; outdoor; as, an open-air game or meeting.

Webster 1913

• noun a public marketplace where food and merchandise is sold
  open-air market; market square.
  

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• noun a public marketplace where food and merchandise is sold
  open-air market; market square.
  

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• adjective satellite so obvious as to be easily solved or decided
  
  • an open-and-shut case

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• noun glaucoma caused by blockage of the canal of Schlemm; produces gradual loss of peripheral vision
  chronic glaucoma.
  
  • open-angle glaucoma is the most common type of glaucoma

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• adjective having an open chain structure
  acyclic.
  

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• noun a word to which an independent meaning can be assigned
  content word.
  

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• adjective satellite of a shirt; not buttoned at the neck
  
  • dressed casually in shorts and an open-collared shirt

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• noun the policy of granting equal trade opportunities to all countries
  open door.
  

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• noun a consumer credit line that can be used up to a certain limit or paid down at any time
  charge account credit; revolving credit.
  

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• noun a regulated investment company with a pool of assets that regularly sells and redeems its shares
  mutual fund company; open-end fund; mutual fund.
  

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• noun a regulated investment company with a pool of assets that regularly sells and redeems its shares
  mutual fund company; open-end fund; mutual fund.
  

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• noun a wrench having parallel jaws at fixed separation (often on both ends of the handle)
  tappet wrench.
  

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• adjective satellite without fixed limits or restrictions
  
  • an open-ended discussion
• adjective satellite allowing for a spontaneous response
  
  • an open-ended question
• adjective satellite allowing for future changes or revisions
  
  • open-ended agreements

WordNet

• adjective satellite carefully observant or attentive; on the lookout for possible danger
  vigilant; wakeful; argus-eyed.
  
  • a policy of open-eyed awareness
  • the vigilant eye of the town watch
  • there was a watchful dignity in the room
  • a watchful parent with a toddler in tow

WordNet

O"pen-eyed` adjective

Definitions

1. With eyes widely open; watchful; vigilant. Shak.

Webster 1913

• noun sandwich without a covering slice of bread
  open sandwich.
  

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• (Metal.), a blast furnace having a forehearth.

Webster 1913

O"pen-hand`ed adjective

Definitions

1. Generous; liberal; munificent. -- O"pen-hand`ed*ness, n. J. S. Mill.

Webster 1913

O"pen-head`ed adjective

Definitions

1. Bareheaded. Obs.

Webster 1913

• noun heart surgery in which the rib cage is spread open, the heart is stopped and blood is detoured through a heart-lung machine while a heart valve or coronary artery is surgically repaired
  

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O"pen-heart`ed adjective

Definitions

1. Candid; frank; generous. Dryden. -- O"pen-heart`ed*ly, adv. -- O"pen-heart`ed*ness, n. Walton.

Webster 1913

• adjective of or relating to or produced by the open-hearth process
  
  • open-hearth steel

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• noun a furnace for making steel in which the steel is placed on a shallow hearth and flames of burning gas and hot air play over it
  

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• a reverberatory furnace; esp., a kind of reverberatory furnace in which the fuel is gas, used in manufacturing steel.

Webster 1913

• noun a process for making steel using an open-hearth furnace
  

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• (Steel Manuf.), a process by which melted cast iron is converted into steel by the addition of wrought iron, or iron ore and manganese, and by exposure to heat in an open-hearth furnace; also called the Siemens-Martin process, from the inventors.

Webster 1913

• steel made by an open-hearth process; also called Siemens-Martin steel.

Webster 1913

• adjective satellite ready to entertain new ideas
  
  • an open-minded curiosity
  • open-minded impartiality

WordNet

O"pen-mouthed` adjective

Definitions

1. Having the mouth open; gaping; hence, greedy; clamorous. L'Estrange.

Webster 1913

• adjective satellite (of rooms or buildings) having large rooms with few dividing partitions
  

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• adjective of or relating to or being computer software for which the source code is freely available
  

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• (Arch.), a roof of which the constructional parts, together with the under side of the covering, or its lining, are treated ornamentally, and left to form the ceiling of an apartment below, as in a church, a public hall, and the like.

Webster 1913

• noun the first line of a piece of writing (as a newspaper story)
  

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• noun the first of a series of actions
  first step; initiative; opening.
  

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• noun the first performance (as of a theatrical production)
  curtain raising; opening.
  
  • the opening received good critical reviews

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• the magnitude of a solid angle. It is measured by the portion within the solid angle of the surface of any sphere whose center is the angular point.

Webster 1913

• the air out of doors.

Webster 1913

• to open by breaking. "Open the door, or I will break it open." Shak.

Webster 1913

• to throw open; to open suddenly or with violence; as, to fling open a door.

Webster 1913

• to open suddenly, or with violence.

Webster 1913

• to entertain friends at all times.
• to be hospitable.

Webster 1913

• to expose one's self to, as to an accusation.

Webster 1913

• to open; to uncover; to expose; to reveal.

Webster 1913

• .

Webster 1913

• to lay before a legislative body the financial estimates and plans of the executive government.

Webster 1913

• (Mil.), to begin to dig or to form the lines of approach.

Webster 1913

• to lay open; to discover; to disclose.

Webster 1913

• out of doors. "Under open sky adored." Milton.

Webster 1913

• adjective satellite open wide
  
  • left the doors wide-open
• adjective satellite lax in enforcing laws
  lawless.
  
  • a wide-open town

WordNet