1
crude(adjective, bad, manner, behaviour)
1
curt(adjective, characteristic, manner, illiteracy)
1
disgracious(adjective, bad, manner, behaviour)
1
disrespectful(adjective, bad, manner, behaviour)
1
graceless(adjective, characteristic, manner, illiteracy)
1
gross(adjective, characteristic, manner, illiteracy)
1
gruff(adjective, characteristic, manner, illiteracy)
1
ignorant(adjective, characteristic, manner, illiteracy)
1
ill-bred(adjective, bad, manner, behaviour)
1
ill-mannered(adjective, bad, manner, behaviour)
1
illiterate(adjective, characteristic, manner, illiteracy)
1
impertinent(adjective, characteristic, manner, illiteracy)
1
impudent(adjective, characteristic, manner, illiteracy)
1
inconsiderate(adjective, characteristic, manner, illiteracy)
1
indecorous(adjective, bad, manner, behaviour)
1
indelicate(adjective, bad, manner, behaviour)
1
insulting(adjective, characteristic, manner, illiteracy)
1
intrusive(adjective, characteristic, manner, illiteracy)
1
irritable(adjective, bad, manner, behaviour)
1
oafish(adjective, bad, manner, behaviour)
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APASmart Define. (2015). opportunistic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/opportunistic/thesaurus/antonyms
ChicagoSmart Define. 2015. "opportunistic thesaurus" https://smartdefine.org/opportunistic/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2015, opportunistic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/opportunistic/thesaurus/antonyms>.
MLASmart Define. "opportunistic thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/opportunistic/thesaurus/antonyms>