Periodic
Periodic adjective - Appearing or occurring repeatedly from time to time.
Usage example: sent out periodic reminders about the office dress code
Regular is a synonym for periodic in intermittent topic. In some cases you can use "Regular" instead the word "Periodic" as an adjective or a noun, when it comes to topics like recurrent, at fixed intervals. popular alternative
Regular
Regular adjective - Appearing or occurring repeatedly from time to time.
Usage example: what with one or another of our pets having problems, we've been regular visitors at the animal hospital
Periodic is a synonym for regular in frequent topic. You can use "Periodic" instead an adjective "Regular", if it concerns topics such as orderly, intermittent. popular alternative
Mutual synonyms
Both words in one sentence
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Long known for smoking marijuana as though it were regular cigarettes (thus explaining those periodic junkets to Amsterdam), Neil has given it up along with drinking, after doctors detected pre-dementia changes in his brain.
Source: Music / Neil Young -
Something is blocking the light of KIC 8462852 in a bizarre irregular pattern, very unlike the regular, periodic pattern seen with transiting planets, and so much light, it has to be at least half the diameter of the star itself.
Source: Big Dumb Object - Occurred for nearly a decade with writer Kurt Busiek due to mercury poisoning; this mainly affected his work on Astro City, and eventually caused the title to go from a regular monthly schedule to periodic limited series.
Source: Schedule Slip / Comic Books
Cite this Source
Regular and Periodic. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/periodic/regular
Periodic & Regular. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/periodic/regular>.
Regular or Periodic. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/periodic/regular.
Google Ngram Viewer shows how "periodic" and "regular" have occurred on timeline