tough Meaning, Definition & Usage
- 
       noun someone who learned to fight in the streets rather than being formally trained in the sport of boxing
       
       
 street fighter.
 
- 
       noun an aggressive and violent young criminal
       
       
 strong-armer; goon; punk; hoodlum; thug; toughie; hood.
 
- 
       noun a cruel and brutal fellow
       
       
 yobo; ruffian; bully; roughneck; hooligan; rowdy; yob; yobbo.
 
- 
       adjective not given to gentleness or sentimentality
        
      
 - a tough character
 
- 
       adjective satellite very difficult; severely testing stamina or resolution
       
       
 rugged.
 - a rugged competitive examination
- the rugged conditions of frontier life
- the competition was tough
- it's a tough life
- it was a tough job
 
- 
       adjective physically toughened
       
       
 toughened.
 - the tough bottoms of his feet
 
- 
       adjective satellite substantially made or constructed
       
       
 sturdy.
 - sturdy steel shelves
- sturdy canvas
- a tough all-weather fabric
- some plastics are as tough as metal
 
- 
       adjective satellite violent and lawless
       
       
 ruffianly.
 - the more ruffianly element
- tough street gangs
 
- 
       adjective satellite feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad')
       
       
 bad.
 - my throat feels bad
- she felt bad all over
- he was feeling tough after a restless night
 
- 
       adjective resistant to cutting or chewing
        
      
 
- 
       adjective satellite unfortunate or hard to bear
       
       
 hard.
 - had hard luck
- a tough break
 
- 
       adjective satellite making great mental demands; hard to comprehend or solve or believe
       
       
 problematic; elusive; baffling; problematical; knotty.
 - a baffling problem
- I faced the knotty problem of what to have for breakfast
- a problematic situation at home
 
WordNet
Tough adjective
Etymology
OE.Wordforms
Definitions
-  Having the quality of flexibility without brittleness; yielding to force without breaking; capable of resisting great strain; "Tough roots and stubs. " Milton.as, the ligaments of animals are remarkably .tough 
-  Not easily broken; able to endure hardship; firm; strong; Cowper.as, .tough sinewsA body made of brass, the crone demands, . . . Tough to the last, and with no toil to tire. Dryden. The basis of his character was caution combined with tough tenacity of purpose. J. A. Symonds. 
-  Not easily separated; viscous; clammy; tenacious; as, .tough phlegm
-  Stiff; rigid; not flexible; stubborn; as, a .tough bowSo tough a frame she could not bend. Dryden. 
-  Severe; violent; Colloq. " A tough debate. " Fuller. Chaucer.as, a .tough storm