4
fleeting(adjective, quick, speedy, hasty, superficial)
4
impartial(adjective, indifferent, detached, casual, unbiased)
4
inexact(adjective, cold, forget, uncaring, inattentive)
4
pococurante(adjective, informal, relaxed, cold, casual)
4
pro forma(expression, adjective, idiom, adverb)
4
regular
4
sloppy(adjective, casual, quick, hasty, superficial)
4
standard(adjective, unthinking, automatic)
4
token
4
undiscriminating(adjective, casual, unfussy, cursory)
4
unenthusiastic(adjective, indifferent, enthusiastic, apathetic, listless)
4
unobservant(adjective, cold, forget, uncaring, inattentive)
4
usual(adjective, unthinking, automatic)
3
abrupt(adjective, indifferent, fast, casual, quick)
3
aloof(adjective, relaxed, cold, indifferent, detached)
3
apathetical(adjective, cold, dead, apathy, passive)
3
artificial
3
brief(adjective, fast, casual, quick, speedy)
3
bumbling(adjective, neglectful)
3
deficient(shortcoming, insufficiency, incompleteness)
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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>