Synonyms of hardened in English:

hardened


See definition of hardened

adjective

1‘he was hardened to the violence he had seen and inflicted’

SYNONYMS
inured, desensitized, deadened, accustomed, habituated, acclimatized, used
coarsened
rare indurate
ANTONYMS

unaccustomed

2‘a hardened criminal’

SYNONYMS
inveterate, seasoned, habitual, chronic, compulsive, confirmed, accustomed, dyed-in-the-wool
through and through
incorrigible, incurable, irredeemable, impenitent, unreformable, unregenerate, reprobate, obdurate, shameless
ANTONYMS

infrequent

3‘the silos are hardened against air attack’

SYNONYMS
strengthened, fortified, reinforced, toughened, thickened, fortress-like
literary girded
rare embastioned
ANTONYMS

unfortified