10 entries under vacillating topic. ×

6
occasionally(expression, adverb, time, rare)
5
every once in a while(expression, idiom, time, rare)
5
every so often(expression, adverb, time, rare)
5
sporadically(expression, adverb, time, rare)
4
intermittently(expression, adjective, adverb, time, rare)
4
sometimes(expression, adverb, time, rare)
3
on occasion(expression, time, rare, frequency)
2
at times(expression, adverb, intermittently, occasionally)
0
alternately(uncertainly, intermittently, variably, on-and-off)
0
variably(uncertainly, intermittently, alternately, on-and-off)
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APASmart Define. (2016). at intervals thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/at_intervals/thesaurus/synonyms
ChicagoSmart Define. 2016. "at intervals thesaurus" https://smartdefine.org/at_intervals/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, at intervals thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/at_intervals/thesaurus/synonyms>.
MLASmart Define. "at intervals thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/at_intervals/thesaurus/synonyms>