1. • noun - a member of an irregular armed force that fights a stronger force by sabotage and harassment
   • noun - merchandise that has imperfections
   • adj - contrary to rule or accepted order or general practice
   • adj - not occurring at expected times
   • adj - (used of the military) not belonging to or engaged in by regular army forces
   • adj - (of solids) not having clear dimensions that can be measured
   • adj - falling below the manufacturer's standard
   • adj - deviating from normal expectations
   • adj - lacking continuity or regularity
   • adj - (of a surface or shape)
   • adj - independent in behavior or thought
2. • Contrary to rule, accepted order, or general practice: irregular hiring practices.
   • Not conforming to legality, moral law, or social convention: an irregular marriage.
   • Not straight, uniform, or symmetrical: irregular facial features.
   • Of uneven rate, occurrence, or duration: an irregular heartbeat.
   • Deviating from a type; atypical.
   • Having differing floral parts, as of a zygomorphic or asymmetrical flower.
   • Falling below the manufacturer’s standard or usual specifications; imperfect.
   • Departing from the usual pattern of inflection, derivation, or word formation, as the present forms of the verb be or the plural noun children.
   • Not belonging to a permanent, organized military force: irregular troops.
   • One, such as an item of merchandise, that is irregular.
   • A soldier, such as a guerrilla, who is not a member of a regular military force.

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