IPA: /ˈʃæɡiɪst/
KK: /ˈʃæɡiɪst/
Having the most long, rough, or unkempt hair or fur.
The shaggiest dog at the park won the best in show award.
Comparative: shaggier
Superlative: shaggiest
Shaggiest → It is formed from "shaggy" (from Old English *sceacga*, meaning having long, rough hair) and the suffix "-est" (meaning the most). The word "shaggiest" means having the most shaggy or rough hair.
Think of 'shaggy' describing something with long, rough hair, and remember that 'shaggiest' means having the most of that quality.