How many letters does the top answer for “wander aimlessly in search of pleasure” have?

The most common answer is gad (3 letters).

Crossword clue: wander aimlessly in search of pleasure

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

gad 3 letters wn-def

a sharp prod fixed to a rider's heel and used to urge a horse onward

gallivant 9 letters wn-def

wander aimlessly in search of pleasure