1. [Adjective]: (of solids) not having clear dimensions that can be measured; volume must be determined with the principle of liquid displacement

2. [Adjective]: contrary to rule or accepted order or general practice; "irregular hiring practices"

3. [Adjective]: used of the military; not belonging to or engaged in by regular army forces; "irregular troops"; "irregular warfare"

4. [Noun]: a member of an irregular armed force that fights a stronger force by sabotage and harassment

5. [Noun]: merchandise that has imperfections; usually sold at a reduced price without the brand name

6. independent in behavior or thought; "she led a somewhat irregular private life"; "maverick politicians"

7. of a surface; not level or flat; "walking was difficult on the irregular cobblestoned surface"

8. deviating from what is usual or common or to be expected; often somewhat odd or strange; "these days large families are atypical"; "highly irregular behavior"

9. not occurring at expected times

10. used of independent armed resistance forces; "guerrilla warfare"; "partisan forces"

11. lacking continuity or regularity; "an irregular worker"; "employed on a temporary basis"

Similar words to 'irregular'

Opposite words to 'irregular'

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