impasse

As nouns the difference between impasse and problematic

is that impasse is a road with no exit; a cul-de-sac while problematic is (chiefly|in the plural) a problem or difficulty in a particular field of study.

As an adjective problematic is

posing a problem; difficult to overcome or solve.

As nouns the difference between impasse and deadend

is that impasse is a road with no exit; a cul-de-sac while deadend is an alternative spelling of lang=en.

As nouns the difference between impasse and plight

is that impasse is a road with no exit; a cul-de-sac while plight is a dire or unfortunate situation or plight can be responsibility for ensuing consequences; risk; danger; peril or plight can be (obsolete) a network; a plait; a fold; rarely a garment.

As a verb plight is

to expose to risk; to pledge or plight can be (obsolete) to weave; to braid; to fold; to plait.

As an adjective inexorable

is unable to be persuaded; relentless; unrelenting.

As a noun impasse is

a road with no exit; a cul-de-sac.

As an adjective impassive

is having, or revealing, no emotion.

As a noun impasse is

a road with no exit; a cul-de-sac.

As nouns the difference between impasse and logjam

is that impasse is a road with no exit; a cul-de-sac while logjam is an excess of logs being conveyed on a river, so that their motion halts.

As nouns the difference between checkmate and impasse

is that checkmate is the conclusive victory in a game of chess that occurs when an opponent's king is threatened with unavoidable capture while impasse is a road with no exit; a cul-de-sac.

As an interjection checkmate

is word called out by the victor when making the conclusive move.

As a verb checkmate

is to put the king of an opponent into checkmate.

As nouns the difference between impasse and morass

is that impasse is a road with no exit; a cul-de-sac while morass is a tract of soft, wet ground; a marsh; a fen.

As nouns the difference between passe and impasse

is that passe is an attack that passes the target without hitting while impasse is a road with no exit; a cul-de-sac.

As an adjective passé

is dated; out of style; old-fashioned.