irregular

Sense 1 noun

a member of an irregular armed force that fights a stronger force by sabotage and harassment

Sense 2 adjective

contrary to rule or accepted order or general practice

irregular hiring practices

Sense 3 noun

merchandise that has imperfections; usually sold at a reduced price without the brand name

Sense 4 adjective

not occurring at expected times

Sense 5 adjective

(used of the military) not belonging to or engaged in by regular army forces

irregular troops

Sense 6 adjective

(of solids) not having clear dimensions that can be measured; volume must be determined with the principle of liquid displacement

Sense 7 adjective

falling below the manufacturer's standard

irregular jeans

Sense 8 adjective

deviating from normal expectations; somewhat odd, strange, or abnormal

these days large families are atypical

Sense 9 adjective

lacking continuity or regularity

an irregular worker

Sense 10 adjective

(of a surface or shape); not level or flat or symmetrical

walking was difficult on the irregular cobblestoned surface

Sense 11 adjective

independent in behavior or thought

she led a somewhat irregular private life