Crossword clue: the state or degree of being ultimate; the final or most extreme in degree or size or time or distance

The most common answer is ultimacy (8 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

ultimacy 8 letters wn-def

the state or degree of being ultimate; the final or most extreme in degree or size or time or distance

ultimateness 12 letters wn-def

the state or degree of being ultimate; the final or most extreme in degree or size or time or distance