Synonyms for Wiggly (same or very similar meaning)
WordNet sense 1 (curved or curving in and out):
sinuous, sinuateWordNet sense 2 (having or marked by a curve or smoothly rounded bend):
curved, curvingWordNet sense 3 (in motion):
movingWordNet sense 4 (having a twisting or snake-like or wormlike motion):
wriggly, squirming, twisting, wiggling, wriggling, writhingFrom the ODE community, based on WordNetadd/edit