- impossible
- adj1. illogical, self-contradictory, incompatible, absurd, preposterous, ridiculous; out of the question, not possible, hopeless, Sl. no go, not to be thought of.2. unthinkable, unimaginable, unbelievable, incredible, inconceivable; beyond conception, beyond the bounds of possibility, contrary to reason, beyond the realm of reason.3. unsolvable, unresolvable, insoluble, unworkable; unperformable, inoperable, incurable; impracticable, unrealizable, unachievable, infeasible, unviable; insurmountable, insuperable, unbridgeable, impassible, unnavigable, beyond one's power, too much for; unapproachable, inaccessible, unobtainable; unavailable, unacquirable, not to be had; unreachable, out of reach, ungettable, beyond one's grasp.4. inadmissible, unacceptable, unsuitable, untenable, objectionable, exceptionable; unprovable, unverifiable, unconfirmable, uncertifiable, unascertainable.
A Note on the Style of the synonym finder. 2014.