IPA: /ˈʃiːkɪst/
KK: /tʃikɪst/
The most stylish or fashionable; having a sophisticated and elegant appearance.
She wore the chicest dress at the party, turning heads wherever she went.
Comparative: chicer
Superlative: chicest
Chicest is derived from "chic" (from French *chic*, meaning stylish or fashionable) and the suffix "-est" (used to form the superlative). The word "chicest" means the most stylish or fashionable.
Think of the French word 'chic' meaning stylish, and remember that 'chicest' refers to something that is the most stylish.