40 entries under irregular topic. ×
| sporadic(adjective, light, slight, continue, thin) | |
| casual(adjective, chance, secondary, erratic) | |
| intermittent(adjective, continue, regular, routine) | |
| infrequent(adjective, slight, thin, strange, exceptional) | |
| periodic(adjective, continue, regular, infrequent) | |
| uncommon(adjective, slight, thin, strange, exceptional) | |
| rare(adjective, slight, thin, exceptional, spare) | |
| fitful(adjective, continue, unreliable, variable) | |
| random(adjective, chance, secondary, erratic) | |
| incidental(adjective, chance, minor, secondary) | |
| odd(adjective, rare, uncommon, infrequent) | |
| scarce(adjective, slight, short, usual) | |
| erratic(adjective, chance, random, haphazard) | |
| few(adjective, light, thin, strange, exceptional) | |
| particular(adjective, special, sporadic) | |
| spasmodic(adjective, regular, routine, unreliable) | |
| unusual(adjective, light, thin, exceptional, usual) | |
| seldom(adjective, light, slight, thin, strange) | |
| exceptional(adjective, special, sporadic) | |
| uncertain(adjective, chance, unreliable, uneven) |
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| APA | Smart Define. (2015). occasional thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/occasional/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "occasional thesaurus" https://smartdefine.org/occasional/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, occasional thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/occasional/thesaurus/synonyms>. |
| MLA | Smart Define. "occasional thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/occasional/thesaurus/synonyms> |