1. [ adjective ] contrary to rule or accepted order or general practice

"irregular hiring practices"

Related terms: regular arrhythmic improper substandard grab casual strong asymmetrical randomised randomized rough illegal asymmetrical unrhythmical unsystematic unsteady regularity
2. [ adjective ] (of solids) not having clear dimensions that can be measured; volume must be determined with the principle of liquid displacement
Related terms: regular
3. [ adjective ] not occurring at expected times
Synonyms: unpredictable
Related terms: sporadic
4. [ adjective ] independent in behavior or thought
Synonyms: unorthodox maverick

"she led a somewhat irregular private life" "maverick politicians"

Related terms: unconventional
5. [ adjective ] (military) used of independent armed resistance forces
Synonyms: guerrilla underground guerilla

"guerrilla warfare" "partisan forces"

Related terms: partisan
6. [ noun ] (military) a member of an irregular armed force that fights a stronger force by sabotage and harassment
Synonyms: guerrilla insurgent guerilla
Related terms: warrior Maquis urban_guerrilla che_guevara fedayee guerilla_force
7. [ adjective ] deviating from what is usual or common or to be expected; often somewhat odd or strange
Synonyms: atypical

"these days large families are atypical" "highly irregular behavior"

Related terms: abnormal
8. [ adjective ] (work) lacking continuity or regularity
Synonyms: temporary

"an irregular worker" "employed on a temporary basis"

Related terms: part-time
9. [ adjective ] (military) used of the military; not belonging to or engaged in by regular army forces

"irregular troops" "irregular warfare"

Related terms: regular partisan
10. [ adjective ] of a surface; not level or flat

"walking was difficult on the irregular cobblestoned surface"

Related terms: uneven
11. [ noun ] (business) merchandise that has imperfections; usually sold at a reduced price without the brand name
Synonyms: second
Related terms: merchandise
Similar spelling:   irregularly