irregular

adjective
UK: /ɪˈreɡjələr/
US: /ɪˈreɡjələr/

  1. Not following the normal rules or patterns; not regular.

    1. His attendance was irregular last month.
    2. The company faced irregular competition and was forced to lower prices.

  2. Something that is not even or smooth in shape or surface.

    1. The coastline is irregular with many bays.
    2. The old stone wall had an irregular surface, worn smooth by time.

  3. Happening at uneven or unpredictable intervals.

    1. She has irregular working hours each week.
    2. The patient's irregular heartbeat was a cause for concern during the exam.

Synonyms

uneven erratic unstable anomalous
irregular noun

  1. A soldier who is part of an unofficial army.

    1. The irregulars fought bravely to protect their village.
    2. The government struggled to contain the irregulars' guerilla warfare tactics.

Frequently Asked Questions

The word "irregular" in English means: Not following the normal rules or patterns; not regular., Something that is not even or smooth in shape or surface., Happening at uneven or unpredictable intervals..

The phonetic transcription of "irregular" is /ɪˈreɡjələr/ in British English and /ɪˈreɡjələr/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "irregular": uneven, erratic, unstable, anomalous.

Example usage of "irregular": "His attendance was irregular last month.". More examples on the page.