15 entries under expression topic. ×

2
off and on(idiom, adverb, variable, vacillating)
1
not often(adverb, variable, vacillating, intermittent)
1
on and off(adjective, idiom, adverb, variable)
1
very seldom(adverb, variable, vacillating, intermittent)
1
when the mood strikes(idiom, adverb, variable, vacillating)
0
at intervals(uncertainly, variably, alternately, on-and-off)
0
back and forth(idiom, variably, alternately)
0
every once in a while(idiom, uncertainly, variably, alternately)
0
every so often(idiom, uncertainly, variably, alternately)
0
from pillar to post(idiom, variably, alternately)
0
from side to side(idiom, variably, alternately)
0
in and out(idiom, variably, alternately)
0
now then(adverb, intermittent, uncertainly, variably)
0
on occasion(uncertainly, variably, alternately, on-and-off)
0
up and down(idiom, variably, alternately)
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APASmart Define. (2015). at irregular intervals thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/at_irregular_intervals/thesaurus/synonyms
ChicagoSmart Define. 2015. "at irregular intervals thesaurus" https://smartdefine.org/at_irregular_intervals/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, at irregular intervals thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/at_irregular_intervals/thesaurus/synonyms>.
MLASmart Define. "at irregular intervals thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/at_irregular_intervals/thesaurus/synonyms>