irregular Meaning, Definition & Usage

  1. noun a member of an irregular armed force that fights a stronger force by sabotage and harassment
    guerrilla; guerilla; insurgent.
  2. noun merchandise that has imperfections; usually sold at a reduced price without the brand name
    second.
  3. adjective contrary to rule or accepted order or general practice
    • irregular hiring practices
  4. adjective satellite not occurring at expected times
    unpredictable.
  5. adjective (used of the military) not belonging to or engaged in by regular army forces
    • irregular troops
    • irregular warfare
  6. adjective (of solids) not having clear dimensions that can be measured; volume must be determined with the principle of liquid displacement
  7. adjective satellite falling below the manufacturer's standard
    • irregular jeans
  8. adjective satellite deviating from normal expectations; somewhat odd, strange, or abnormal
    atypical.
    • these days large families are atypical
    • atypical clinical findings
    • atypical pneumonia
    • highly irregular behavior
  9. adjective satellite lacking continuity or regularity
    temporary.
    • an irregular worker
    • employed on a temporary basis
  10. adjective satellite (of a surface or shape); not level or flat or symmetrical
    • walking was difficult on the irregular cobblestoned surface
  11. adjective satellite independent in behavior or thought
    unorthodox; maverick.
    • she led a somewhat irregular private life
    • maverick politicians

WordNet


Ir*reg"u*lar adjective
Etymology
Pref. ir- not + regular: cf. F. irrégulier.
Definitions
  1. Not regular; not conforming to a law, method, or usage recognized as the general rule; not according to common form; not conformable to nature, to the rules of moral rectitude, or to established principles; not normal; unnatural; immethodical; unsymmetrical; erratic; no straight; not uniform; as, an irregular line; an irregular figure; an irregular verse; an irregular physician; an irregular proceeding; irregular motion; irregular conduct, etc. Cf. Regular.
    Mazes intricate, Eccentric, intervolved, yet regular Then most when most irregular they seem. Milton.
    Leading the men of Herefordshire to fight Against the irregular and wild Glendower. Shak.
    A flowery meadow through which a clear stream murmured in many irregular meanders. Jones.
    Syn. -- Immethodical; unsystematic; abnormal; unnatural; anomalous; erratic; devious; crooked; eccentric; unsettled; uneven; variable; changeable; mutable; desultory; disorderly; wild; immoderate; intemperate; inordinate; vicious.
Ir*reg"u*lar noun
Definitions
  1. One who is not regular; especially, a soldier not in regular service.

Webster 1913