0
nonchalance
0
nonreactive(adjective, dead, insensitive, insusceptible)
0
oblivious(cold, indifferent, unyielding)
0
placid(adjective, dull, quiet, flat, heavy)
0
quiet(adjective, dull, flat, heavy, dead)
0
regular(adjective, dull, quiet, flat, heavy)
0
resolute(cold, indifferent, unyielding)
0
sacrosanct
0
sheathe
0
slack(adjective, dull, quiet, flat, heavy)
0
stagnant(adjective, dull, quiet, flat, heavy)
0
stalemate
0
stalemates
0
staunch(cold, indifferent, unyielding)
0
steadfast(cold, indifferent, unyielding)
0
still(adjective, dull, quiet, flat, heavy)
0
stoical(cold, indifferent, unyielding)
0
stony(hard, cold, indifferent, insensitive, unyielding)
0
tactless(hard, insensitive, unsusceptible)
0
torpid(adjective, dull, quiet, flat, heavy)
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APASmart Define. (2015). impassible thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/impassible/thesaurus/synonyms
ChicagoSmart Define. 2015. "impassible thesaurus" https://smartdefine.org/impassible/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, impassible thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/impassible/thesaurus/synonyms>.
MLASmart Define. "impassible thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/impassible/thesaurus/synonyms>