inconceivable
adjective
[ ɪnkənˈsiːvəb(ə)l ]
• not capable of being imagined or grasped mentally; unbelievable.
• "they behaved with inconceivable cruelty"
Similar:
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,
out of the question,
preposterous,
ridiculous,
ludicrous,
absurd,
incomprehensible,
hard to swallow,
mind-boggling,
