Irregular and Mutable

Irregular

Irregular adjective - Lacking in steadiness or regularity of occurrence.
Usage example: irregular mail delivery to the island

Mutable and irregular are semantically related In some cases you can use "Mutable" instead an adjective "Irregular".

Nearby Words: irregularity, irregularly

Mutable

Mutable adjective - Likely to change frequently, suddenly, or unexpectedly.
Usage example: a politician with very mutable positions on all the issues

Irregular and mutable are semantically related in changeable topic. Sometimes you can use "Irregular" instead an adjective "Mutable".

Nearby Words: mutation, mutate, mutability, mutating, mutably
Cite this Source
Mutable and Irregular. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/irregular/mutable
Irregular & Mutable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/irregular/mutable>.
Mutable or Irregular. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/irregular/mutable.
Google Ngram Viewer shows how "irregular" and "mutable" have occurred on timeline