95 entries under hard topic. ×

3
unkind(adjective, mean, bad, cool)
3
benumbed(adjective, dull, quiet, flat)
3
disinterested(adjective, calm, dull, mean)
3
insensate(adjective, bad, careless, cold)
3
inured(adjective, careless, indifferent, cruel)
3
unsusceptible(adjective, careless, indifferent, cruel)
2
coldhearted(adjective, indifferent, detached, unfeeling)
2
imperceptive(adjective, indifferent, unkind, insensitive)
2
thick-skinned(adjective, calm, careless, indifferent)
2
tough(adjective, mean, cool, unpleasant)
2
unimpressionable(adjective, careless, indifferent, cruel)
2
unpitying(adjective, mean, cool, unpleasant)
1
accustomed(adjective, dull, quiet, flat)
1
antipathetic(adjective, mean, cool, unpleasant)
1
aversive(adjective, mean, cool, unpleasant)
1
blind to(expression, adjective, careless, indifferent)
1
careless(adjective, indifferent, cruel, apathetic)
1
case-hardened(adjective, careless, indifferent, cruel)
1
deaf to(expression, adjective, careless, indifferent)
1
hard-bitten(adjective, careless, indifferent, cruel)
10 years ago|10k views|share |citing 
APASmart Define. (2016). unresponsive thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unresponsive/thesaurus/synonyms
ChicagoSmart Define. 2016. "unresponsive thesaurus" https://smartdefine.org/unresponsive/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, unresponsive thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unresponsive/thesaurus/synonyms>.
MLASmart Define. "unresponsive thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/unresponsive/thesaurus/synonyms>