131 entries under adjective topic. ×

7
haphazard(erratic, random)
6
contingent(uncertainty, chance, secondary, subsidiary)
6
exceptional(special, irregular, sporadic)
6
sparse(light, slight, thin, strange)
6
uncertain(chance, irregular, unreliable, uneven)
6
unsystematic(erratic, random, haphazard)
5
accidental(chance, secondary, subsidiary, related)
5
adventitious(chance, secondary, subsidiary, related)
5
discontinuous(irregular, unreliable, uneven, variable)
5
especial(special, irregular, sporadic)
5
exclusive(special, irregular, sporadic)
5
periodical(noun, continue)
5
special(irregular, sporadic)
5
uneven(unreliable, variable)
4
broken(irregular, erratic, infrequent, recurrent)
4
chance(noun, irregular, secondary, subsidiary)
4
circumstantial
4
extra
4
provisional
4
variable(unreliable, uneven)
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APASmart Define. (2015). occasional thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/occasional/thesaurus/synonyms
ChicagoSmart Define. 2015. "occasional thesaurus" https://smartdefine.org/occasional/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, occasional thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/occasional/thesaurus/synonyms>.
MLASmart Define. "occasional thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/occasional/thesaurus/synonyms>