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