IPA: /ˈnjuːɪst/
KK: /nuːɪst/
The most recent or latest in time or order.
This is the newest model of the smartphone.
Comparative: newer
Superlative: newest
Newest → It is formed from "new" (from Old English *niwe*, meaning recent or fresh) and "-est" (a superlative suffix indicating the highest degree). The word "newest" means the most recent or the freshest in a group.
Think of something that is the "most recent" or "freshest" — that's what "newest" means.