IPA: /ˈwaɪniɪst/
KK: /ˈhwaɪniɪst/
The most complaining or expressing dissatisfaction in a way that is annoying.
She is the whiniest person I know, always complaining about something.
Comparative: whinier
Superlative: whiniest
Whiniest → It is formed from "whine" (of uncertain origin, possibly imitative of the sound) and the suffix "-iest" (meaning most). The word "whiniest" describes someone who is the most prone to whining or complaining.
Think of someone who makes the most noise about their complaints — that's what 'whiniest' means.
No commonly confused words.