How many letters does the top answer for “willing to undertake or seeking out new and daring enterprises” have?

The most common answer is adventuresome (13 letters).

Crossword clue: willing to undertake or seeking out new and daring enterprises

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

adventuresome 13 letters wn-def

willing to undertake or seeking out new and daring enterprises

adventurous 11 letters wn-def

willing to undertake or seeking out new and daring enterprises