IPA: /ˈrɪɡliɪst/
KK: /ˈrɪɡlɪst/
The most twisted or squirmy in movement or shape.
The wriggliest worm in the garden was hard to catch.
Comparative: wrigglier
Superlative: wriggliest
Wriggliest → It is formed from "wriggle" (of uncertain origin, possibly from Middle English *wriglen*, meaning to twist or squirm) and the superlative suffix "-iest" (meaning most). The word "wriggliest" describes something that is the most twisted or squirming in motion.
Think of something that is 'twisting' or 'squirming' — that's what 'wriggliest' means, the most of that action.
No commonly confused words.