unimpressible
ADJECTIVE
impassive
Synonyms
STRONGEST
emotionless
matter-of-fact
placid
reticent
serene
stoic
stolid
taciturn
unemotional
unflappable
unruffled
WEAK
apathetic
callous
cold
cold-blooded
collected
composed
dispassionate
dry
hardened
heartless
imperturbable
indifferent
indurated
inexcitable
inexpressive
inscrutable
insensible
insusceptible
nonchalant
passionless
phlegmatic
poker-faced
reserved
sedate
self-contained
spiritless
stoical
unconcerned
unexcitable
unfeeling
unmoved
wooden
Antonyms
STRONGEST
WEAK
ADJECTIVE
insensible
Synonyms
Antonyms
WEAK
ADJECTIVE
nonchalant
Synonyms
Antonyms
ADJECTIVE
obdurate
Synonyms
WEAK
adamant
bullhead
callous
cold fish
dogged
firm
fixed
hanging tough
hard
hard-boiled
hard-hearted
hard-nosed
harsh
heartless
immovable
implacable
indurate
inexorable
inflexible
iron
mean
mulish
obstinate
perverse
relentless
rigid
set in stone
stiff-necked
thick-skinned
tough
unbending
uncompassionate
uncompromising
uncooperative
unemotional
unfeeling
unrelenting
unshakable
unsympathetic
unyielding
Antonyms
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.