40 entries under infrequent topic. ×

26
sporadic(adjective, light, slight, continue, thin)
19
irregular(adjective, chance, casual, rare, variable)
15
intermittent(adjective, continue, regular, irregular, routine)
13
infrequent(adjective, slight, thin, strange, exceptional)
13
periodic(adjective, continue, regular, irregular)
13
uncommon(adjective, slight, thin, strange, exceptional)
13
rare(adjective, slight, thin, exceptional, spare)
12
fitful(adjective, continue, irregular, unreliable, variable)
11
odd(adjective, irregular, rare, uncommon)
10
scarce(adjective, slight, short, usual, irregular)
9
erratic(adjective, chance, irregular, random, haphazard)
9
few(adjective, light, thin, strange, exceptional)
8
spasmodic(adjective, regular, irregular, routine, unreliable)
8
unusual(adjective, light, thin, exceptional, usual)
7
seldom(adjective, light, slight, thin, strange)
6
sparse(adjective, light, slight, thin, strange)
5
discontinuous(adjective, irregular, unreliable, uneven, variable)
4
broken(adjective, irregular, erratic, recurrent)
4
chance(noun, adjective, irregular, secondary, subsidiary)
3
few and far between(expression, adjective, idiom, light, slight)
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APASmart Define. (2015). occasional thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/occasional/thesaurus/synonyms
ChicagoSmart Define. 2015. "occasional thesaurus" https://smartdefine.org/occasional/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, occasional thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/occasional/thesaurus/synonyms>.
MLASmart Define. "occasional thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/occasional/thesaurus/synonyms>