1
on-again(adjective, continue, informal)
1
on-and-off
1
on certain occasions(expression, adjective, idiom, regular, intermittent)
1
on time
1
orbital(adjective, regular, intermittent, isochronal, seasonal)
1
ordered
1
pendular
1
pendulous
1
periodicity
1
predominating(adjective, regular)
1
pulsating
1
pulsing
1
reciprocal
1
reportorial
1
resonant
1
revenant
1
rotary
1
round-the-clock
1
running
1
seamless
11 years ago|9k views|share |citing 
APASmart Define. (2015). periodic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/periodic/thesaurus/synonyms
ChicagoSmart Define. 2015. "periodic thesaurus" https://smartdefine.org/periodic/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, periodic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/periodic/thesaurus/synonyms>.
MLASmart Define. "periodic thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/periodic/thesaurus/synonyms>