How many letters does the top answer for “the trait of lacking enthusiasm for or interest in things generally” have?

The most common answer is apathy (6 letters).

Crossword clue: the trait of lacking enthusiasm for or interest in things generally

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

apathy 6 letters wn-def

the trait of lacking enthusiasm for or interest in things generally

spiritlessness 14 letters wn-def

the trait of lacking enthusiasm for or interest in things generally