Synonyms of unendurable in English:

unendurable


See US English definition of unendurable

See UK English definition of unendurable

See Spanish definition of inaguantable

adjective

1‘the heat of the stoves made the kitchen almost unendurable’

SYNONYMS
intolerable, unbearable, unacceptable, insufferable, insupportable, not to be borne, more than flesh and blood can stand
oppressive, overwhelming, overpowering, impossible
informal too much
ANTONYMS

endurable, bearable