irregular

What is the Definition of irregular?

Noun:

1. a member of an irregular armed force that fights a stronger force by sabotage and harassment
2. merchandise that has imperfections; usually sold at a reduced price without the brand name

Adjective:

1. contrary to rule or accepted order or general practice
2. not occurring at a regular rate or fixed intervals
3. (used of the military)
4. (of solids)
5. failing to meet a standard of manufacture due to an imperfection
6. deviating from normal expectations; somewhat odd, strange, or abnormal
7. lacking continuity or regularity
8. (of a surface or shape)
9. independent in behavior or thought

How can I use irregular in a sentence?

Other meanings of irregular (synonyms, cognates).