IPA: /ræŋkɪst/
KK: /ræŋkɪst/
The most extreme or intense in a negative way, often used to describe something that is very unpleasant or offensive.
The rankest smell came from the garbage that had been left out for days.
Comparative: ranker
Superlative: rankest
Rankest → It is formed from "rank" (from Old English *ranc*, meaning strong or vigorous) and the superlative suffix "-est" (meaning most). The word "rankest" means the most strong or vigorous, often used to describe something that is excessively or unpleasantly strong, especially in terms of smell or growth.
Think of something that is the "most strong" or "most vigorous" — that's what rankest means, often referring to an overpowering smell or growth.