adjective. moving in a twisting or snake-like or wormlike fashion.
1. Verb, gerund or present participle Fish are attracted to the swimming and wriggling motion of leeches in the water, so you should try not to move them faster in the water than they can naturally swim. 2. Noun, singular or mass Most of the Midge fly's life is spent in this phase of its development, during which it will move itself with a swimming-like motion that includes wriggling in a figure of eight loops.