Irregular and Rigid

Irregular

Irregular adjective - Not rigidly following established form, custom, or rules.
Usage example: the request is irregular, but I'll allow it

Rigid is an antonym for irregular.

Nearby Words: irregularity, irregularly

Rigid

Rigid adjective - Not allowing for any exceptions or loosening of standards.

Irregular is an antonym for rigid.

Nearby Words: rigor, rigidity, rigidly

Both words in one sentence

  • Just For Fun / Ponies with Pikes The Royal Guard was called in to safeguard the Pony settlers, but was quickly overwhelmed with the Diamond Dogs’ presence, who at that point had already resorted to irregular warfare (against the painfully rigid, outdated and unflexible tactics of the Guard) to great effect.
Cite this Source
Rigid and Irregular. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/irregular/rigid
Irregular & Rigid. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/irregular/rigid>.
Rigid or Irregular. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/irregular/rigid.
Google Ngram Viewer shows how "irregular" and "rigid" have occurred on timeline