Synonyms of inconceivable in English:

inconceivable


See US English definition of inconceivable

See UK English definition of inconceivable

See Spanish definition of inconcebible

adjective

1‘it seemed inconceivable that the president had been unaware of what was going on’

SYNONYMS
beyond belief, unbelievable, extremely difficult to believe, scarcely credible, incredible, unthinkable, unimaginable, unimagined, extremely unlikely, not in the least likely, extremely implausible, extremely doubtful
impossible, beyond the bounds of possibility, out of the question, preposterous, ridiculous, ludicrous, absurd, incomprehensible
informal hard to swallow, mind-boggling
ANTONYMS

likely