Irregular and Unusual

Irregular

Irregular adjective - Departing from some accepted standard of what is normal.
Usage example: it was a bank customer's slightly irregular behavior that made people suspicious

Unusual is a synonym for irregular in abnormal topic. In some cases you can use "Unusual" instead an adjective "Irregular", when it comes to topics like inappropriate, unorthodox.

Nearby Words: irregularity, irregularly

Unusual

Unusual adjective - Noticeably different from what is generally found or experienced.
Usage example: we found some unusual shells by the high-tide mark while combing the beach

Irregular is a synonym for unusual in aberrant topic. Sometimes you can use "Irregular" instead an adjective "Unusual". rare substitute

Nearby Words: unused, unusually

Both words in one sentence

  • Music / Radiohead Also averted by "Myxomatosis," which sounds like it's in uncommon time due to the irregular cymbal hits and unusual synth pattern, but it's really in 4/4.
Cite this Source
Unusual and Irregular. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/irregular/unusual
Irregular & Unusual. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/irregular/unusual>.
Unusual or Irregular. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/irregular/unusual.
Google Ngram Viewer shows how "irregular" and "unusual" have occurred on timeline