IRREGULAR

Definition

1. noun a member of an irregular armed force that fights a stronger force by sabotage and harassment. — synonyms: guerrilla, guerilla, insurgent
2. noun merchandise that has imperfections. — synonyms: second
3. adjective contrary to rule or accepted order or general practice.
4. adjective not occurring at a regular rate or fixed intervals. — synonyms: unpredictable
5. adjective (used of the military) not belonging to or engaged in by regular army forces.
6. adjective (of solids) not having clear dimensions that can be measured.
7. adjective failing to meet a standard of manufacture due to an imperfection.
8. adjective deviating from normal expectations. — synonyms: atypical
9. adjective lacking continuity or regularity. — synonyms: temporary
10. adjective (of a surface or shape).
11. adjective independent in behavior or thought. — synonyms: maverick, unorthodox