twisting and squirming with small movements back and forth; moving in a snake-like manner.
From Old English 'wriglen,' a frequentative form meaning to turn or twist. The 'wr' beginning is typical of Old English words related to twisting.
Babies naturally wriggle out of uncomfortable positions as one of their first skills—it's so fundamental to movement that toddlers learn it before walking, and earthworms use the same S-curve wriggling motion to tunnel through soil.
Complete word intelligence in one call. Free tier — 50 lookups/day.