Infrequent and Routine

Infrequent

Infrequent adjective - Not often occurring or repeated.
Usage example: a shut-in who made infrequent trips to the store

Routine is an antonym for infrequent.

Nearby Word: infrequently

Routine

Routine adjective - Often observed or encountered.
Usage example: the movie is a routine thriller that has little to recommend it

Infrequent is an antonym for routine.

Nearby Word: routinely
Cite this Source
Routine and Infrequent. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/infrequent/routine
Infrequent & Routine. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/infrequent/routine>.
Routine or Infrequent. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/infrequent/routine.
Google Ngram Viewer shows how "infrequent" and "routine" have occurred on timeline