How many letters does the top answer for “the act of wiggling” have?

The most common answer is squirm (6 letters).

Crossword clue: the act of wiggling

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

squirm 6 letters wn-def

to move in a twisting or contorted motion, (especially when struggling)

wiggle 6 letters wn-def

move to and fro

wriggle 7 letters wn-def

to move in a twisting or contorted motion, (especially when struggling)

act of wiggling; a wriggle. 67% similar → wiggle