Irregular
Irregular noun - Merchandise that has imperfections; usually sold at a reduced price without the brand name.
Invalid and irregular are semantically related in criminal topic. In some cases you can use "Invalid" instead the word "Irregular" as a noun or an adjective.
Nearby Words: irregularity, irregularly
Mutual synonyms
Cite this Source
Invalid and Irregular. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/irregular/invalid
Irregular & Invalid. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/irregular/invalid>.
Invalid or Irregular. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/irregular/invalid.
Google Ngram Viewer shows how "irregular" and "invalid" have occurred on timeline