Another word for inconceivable
Not to be believed:
incredible, unbelievable, unimaginable, unthinkable. Idioms: beyond belief, contrary to all reason. See beliefNot plausible or believable:
flimsy, implausible, improbable, incredible, shaky, thin, unbelievable, unconceivable, unconvincing, unsubstantial, weak. See likely
