irregular

/ɪɹˈɛɡjuːlɐ/

/ˌɪˈɹɛɡjəɫɝ/

irregular

not following a regular or predictable pattern

(grammar) describing a word that is not formed in the usual way

antonyms : regular

dive into the water bending the body at the waist at a right angle, like a jackknife

(of solids) not having clear dimensions that can be measured; volume must be determined with the principle of liquid displacement

antonyms : regular

(used of the military) not belonging to or engaged in by regular army forces

antonyms : regular

not conforming to established rules, patterns, or norms

synonyms : atypical

failing to meet a standard of manufacture due to an imperfection

lacking continuity or regularity

synonyms : temporary

independent in behavior or thought

synonyms : maverick

(of a surface or shape); not level or flat or symmetrical

Irregular

merchandise that has imperfections; usually sold at a reduced price without the brand name

synonyms : second

a member of an irregular armed force that fights a stronger force by sabotage and harassment

synonyms : guerilla

Examples

1. The swimming pool had an irregular shape, like a kidney bean.

2. My periods are irregular. -

3. So some women have irregular periods.

4. Irregular baggages are here.