135 entries under adjective topic. ×

1
stoic(impassive, laid-back, dispassionate, emotionless)
1
stolid
1
thick-skinned(hard, careless, indifferent, cruel)
1
torpid(hard, careless, indifferent, cruel)
1
tough(hard, careless, indifferent, cruel)
1
toughened(hard, careless, indifferent, cruel)
1
unaffected(hard, careless, indifferent, cruel)
1
unbending(hard, careless, indifferent, cruel)
1
uncompassionate(hard, careless, indifferent, cruel)
1
unconcerned(hard, careless, indifferent, cruel)
1
undemonstrative(detached, impassive, unresponsive, laid-back)
1
unexcitable(detached, impassive, unresponsive, insensitive)
1
unimpressible
1
unkind(hard, insensitive, unsusceptible)
0
accustomed(hard, unfeeling, unsympathetic, hardened)
0
bad
0
calm
0
contained
0
contemptuous(hard, unfeeling, unsympathetic, hardened)
0
controlled
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APASmart Define. (2015). unimpressionable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/unimpressionable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unimpressionable thesaurus" https://smartdefine.org/unimpressionable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, unimpressionable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/unimpressionable/thesaurus/synonyms>.
MLASmart Define. "unimpressionable thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/unimpressionable/thesaurus/synonyms>