Constant and Periodical

Constant

Constant adjective - Not undergoing a change in condition.

Periodical is an antonym for constant.

Nearby Words: consistent, constantly, constancy, Constance, Constanta

Periodical

Periodical adjective - Occurring or appearing at intervals.
Usage example: periodical announcements from airline personnel concerning the delay

Constant is an antonym for periodical.

Cite this Source
Periodical and Constant. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/constant/periodical
Constant & Periodical. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/constant/periodical>.
Periodical or Constant. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/constant/periodical.
Google Ngram Viewer shows how "constant" and "periodical" have occurred on timeline