IPA: /ˈflæʃiɪst/
KK: /ˈflæʃiɪst/
The most showy or attention-grabbing in appearance or style.
She wore the flashiest dress at the party, attracting everyone's attention.
Comparative: flashier
Superlative: flashiest
Flashiest → It is formed from "flash" (from Middle English *flaschen*, meaning to shine suddenly or briefly) and the suffix "-iest" (meaning most). The word "flashiest" means the most flashy or showy, characterized by a sudden and bright display.
Think of something that shines suddenly and brightly ('flash') and remember that 'flashiest' means the most showy or bright.