Customary
Customary adjective - Accepted, used, or practiced by most people.
Usage example: the customary response to the greeting “How are you?” is “Fine, thanks”
Routine is a synonym for customary in usual topic. In some cases you can use "Routine" instead an adjective "Customary", when it comes to topics like familiar, habitual.
Nearby Words: custom, customarily
Routine
Routine adjective - Being of the type that is encountered in the normal course of events.
Usage example: this is just a routine inspection
Customary is a synonym for routine in habitual topic. You can use "Customary" instead an adjective "Routine", if it concerns topics such as usual, standard.
Nearby Word: routinely
Mutual synonyms
Related pairs
Cite this Source
Routine and Customary. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/customary/routine
Customary & Routine. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/customary/routine>.
Routine or Customary. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/customary/routine.
Google Ngram Viewer shows how "customary" and "routine" have occurred on timeline