147 entries under adverb topic. ×

10
intermittently(variable, vacillating, intermittent, occasionally)
9
sporadically(variable, vacillating, rarely, infrequently)
9
unevenly(intermittently, occasionally, sporadically, erratically)
8
erratically
7
occasionally(vacillating, unusually, rarely, infrequently)
5
capriciously
5
eccentrically
5
inconsistently(nonconformingly, chaotically)
5
off and on(expression, idiom, variable, vacillating)
5
unsystematically
5
abnormally
5
anomalously
5
fitfully
5
haphazardly
5
inconstantly(variable, intermittent, infrequently, intermittently)
5
jerkily
5
now and then(variable, vacillating, intermittent, once)
5
randomly
5
roughly(unevenly, jaggedly)
5
spasmodically
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APASmart Define. (2015). irregularly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/irregularly/thesaurus/synonyms
ChicagoSmart Define. 2015. "irregularly thesaurus" https://smartdefine.org/irregularly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, irregularly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/irregularly/thesaurus/synonyms>.
MLASmart Define. "irregularly thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/irregularly/thesaurus/synonyms>