10
hasty(adjective, slight, fast, casual, trivial)
10
hurried(adjective, slight, detail, fast, trivial)
10
inadvertent(adjective, cold, forget, uncaring, inattentive)
10
involuntary(adjective, cold, natural, useful, fixed)
10
quick(adjective, fast, casual, speedy, hasty)
10
routine(adjective, cold, natural, usual, regular)
10
sketchy(adjective, slight, rough, detail, casual)
10
slipshod(adjective, casual, sloppy, unthinking, happy-go-lucky)
9
slapdash(adjective, slight, detail, trivial, quick)
9
insouciant(adjective, cold, indifferent, dead, apathy)
9
nonchalant(adjective, cold, indifferent, dead, apathy)
9
offhand(adjective, careless, indifferent, casual, sloppy)
9
slovenly(adjective, unthinking, automatic, neglectful)
9
unheedful(adjective, cold, forget, uncaring, inattentive)
8
cool(adjective, relaxed, indifferent, casual, apathetic)
8
half-hearted(adjective, cold, indifferent, dead, apathetic)
8
incurious(adjective, relaxed, cold, detached, casual)
8
passing(adjective, slight, detail, casual, trivial)
7
habitual(adjective, cold, natural, usual, regular)
7
lukewarm(adjective, indifferent, apathetic, listless, unenthusiastic)
11 years ago|11k views|share |citing 
APASmart Define. (2015). perfunctory thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/perfunctory/thesaurus/synonyms
ChicagoSmart Define. 2015. "perfunctory thesaurus" https://smartdefine.org/perfunctory/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, perfunctory thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/perfunctory/thesaurus/synonyms>.
MLASmart Define. "perfunctory thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/perfunctory/thesaurus/synonyms>