IPA: /ˈsmɛliɪst/
KK: /ˈsmɛliɪst/
Having a strong and unpleasant odor; the most offensive in smell.
The garbage was the smelliest thing in the room.
Comparative: smellier
Superlative: smelliest
Smelliest → It is formed from "smell" (from Old English *smellan*, meaning to perceive by the nose) and "-iest" (a superlative suffix meaning most). The word "smelliest" means having the most smell or the strongest odor.
Think of the Old English word for perceiving by the nose, 'smell', and remember that 'smelliest' refers to something that has the most noticeable odor.