IPA: /ˈsmɜr.ki/
KK: /ˈsmɜrki/
The most smug or conceited in manner or expression, often showing a sense of superiority or self-satisfaction.
His smirkiest smile made everyone feel uncomfortable during the meeting.
Comparative: smirkier
Superlative: smirkiest
Smirkiest → It is formed from "smirk" (of uncertain origin, possibly from the Middle English *smerke*, meaning to smile in a smug or self-satisfied way) and the suffix "-iest" (meaning most). The word "smirkiest" describes someone who has the most smug or self-satisfied smile.
Think of someone who has the 'most' ('-iest') smug smile ('smirk') — that's why smirkiest means having the most smug smile.
No commonly confused words.