Definition of impasse:
stalemate, tragedy, ordeal, battle, cul, quagmire, hell, standstill, cul de sac, blind alley, cessation, worst-case scenario, stress, rest, stand, dead-end street, crisis, deadlock, trouble, pause, trap, tie-up, dead end, nightmare.
hindrance (part of speech: noun)
- "My Three Years in America", Johann Heinrich Andreas Hermann Albrecht Graf von Bernstorff.
- "The Iron Woman", Margaret Deland.
Now, the first thing to observe is that if we can succeed in finding out such a sequence of cause and effect as the one we are in search of, somebody else may find out the same creative secret also; and then, by the hypothesis of the case, we should both be armed with an infallible power, and if we wanted to employ this power against each other we should be landed in the " impasse" of a conflict between two powers each of which was irresistible.- "The Creative Process in the Individual", Thomas Troward.