408 entries under adjective topic. ×

5
insouciant(cold, indifferent, dead, unsympathetic)
5
invisible(knowledge, hidden, unable)
5
iron-hearted(bad, hard, tough, severe)
5
languid(dull, quiet, flat, slow)
5
passionless(dull, quiet, cool, flat)
5
slow(dull, quiet, flat, heavy)
5
stony(mean, hard, tough, severe)
5
unappreciative(indifferent, not aware)
5
undetectable
5
unemotional(hard, cool, tough, severe)
5
uninformed(innocent, unconcerned, ignorant, unfamiliar)
5
unkind(bad, hard, tough, severe)
5
unobservable(knowledge, imperceptible)
5
unsuspecting(innocent, ignorant, unfamiliar, unconscious)
5
witless(innocent, unfamiliar, unknowing, unaware)
4
blind to(verb, expression, phrasal verb, hard)
4
brute(bad, cold, aloof, no feelings)
4
crude(vulgar, manner)
4
distant(indifferent, unsympathetic, inattentive, uninterested)
4
drugged(lethargic, out cold)
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APASmart Define. (2015). insensible thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/insensible/thesaurus/synonyms
ChicagoSmart Define. 2015. "insensible thesaurus" https://smartdefine.org/insensible/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, insensible thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/insensible/thesaurus/synonyms>.
MLASmart Define. "insensible thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/insensible/thesaurus/synonyms>