- (n.) One who is not regular; especially, a soldier not in regular service.
- (a.) Not regular; not conforming to a law, method or usage recognized as the general rule; not according to common form; not conformable to nature, to the rules of moral rectitude or to established principles; not normal; unnatural; immethodical; unsymmetrical; erratic; no straight; not uniform; as, an irregular line; an irregular figure; an irregular verse; an irregular physician; an irregular proceeding; irregular motion; irregular conduct, etc. Cf. Regular.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). irregular. Retrieved September 20, 2026, from http://smartdefine.org/irregular/definitions/2023737 |
| Chicago | Webster's. 2011. "irregular" http://smartdefine.org/irregular/definitions/2023737 (accessed September 20, 2026). |
| Harvard | Webster's 2011, irregular, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/irregular/definitions/2023737>. |
| MLA | Webster's. "irregular" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/irregular/definitions/2023737> |