IPA: /ˈswɪʃɪst/
KK: /swɪʃɪst/
The most stylish or elegant in appearance or movement.
She wore the swishest dress at the party, turning heads wherever she went.
Comparative: swisher
Superlative: swishest
The word 'swishest' is derived from 'swish' (of uncertain origin, possibly imitative of the sound made by something moving swiftly through the air) and the superlative suffix '-est' (meaning most). Therefore, 'swishest' refers to something that is the most swift or stylish in movement or appearance.
Think of the sound 'swish' that something makes when it moves quickly, and remember that 'swishest' means the most swift or stylish.
No commonly confused words.