How many letters does the top answer for “used especially of behavior” have?

The most common answer is renunciant (10 letters).

Crossword clue: used especially of behavior

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

renunciant 10 letters wn-def

used especially of behavior

renunciative 12 letters wn-def

used especially of behavior

used especially of fabrics 50% similar → creaseless, uncreased

used especially of persons 50% similar → stalwart, stouthearted