10
forever
5
always
3
frequently
3
incessantly
2
invariably
2
perpetually
1
constantly
1
all the time(expression, idiom)
1
aperiodically
1
away
1
biennially
1
ceaselessly
1
continually
1
endlessly
1
ever
0
chronically
0
chronicly
0
commonly
0
consistently
0
continuingly
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APASmart Define. (2015). periodically thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/periodically/thesaurus/antonyms
ChicagoSmart Define. 2015. "periodically thesaurus" https://smartdefine.org/periodically/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, periodically thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/periodically/thesaurus/antonyms>.
MLASmart Define. "periodically thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/periodically/thesaurus/antonyms>