1
universal(adjective, regular)
1
unrelieved
1
unremitting
1
unstopped
1
vacillating
1
vacillatory
1
vibratile
1
vibrating
1
vibratory
1
wavelike
1
wavering
1
wheeling
1
yearly
0
accidental(various, miscellaneous)
0
adulthood
0
anniversary
0
approach
0
arrhythmic
0
automatic
0
biennial(adjective, regular)
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APASmart Define. (2015). periodic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/periodic/thesaurus/synonyms
ChicagoSmart Define. 2015. "periodic thesaurus" https://smartdefine.org/periodic/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, periodic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/periodic/thesaurus/synonyms>.
MLASmart Define. "periodic thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/periodic/thesaurus/synonyms>