What are the best answers for “a quality of extreme unpleasantness”?

awfulness, dreadfulness, horridness, terribleness.

How many letters does the top answer for “a quality of extreme unpleasantness” have?

The most common answer is awfulness (9 letters).

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

awfulness 9 letters wn-def

a quality of extreme unpleasantness

dreadfulness 12 letters wn-def

a quality of extreme unpleasantness

horridness 10 letters wn-def

a quality of extreme unpleasantness

terribleness 12 letters wn-def

a quality of extreme unpleasantness

the quality of being extreme 50% similar → extremeness