IPA: /ˈɪkiɪst/
KK: /ˈɪkɪɪst/
The most unpleasant or disgusting; something that causes a strong feeling of dislike or discomfort.
The old food in the fridge was the ickiest thing I had ever seen.
Comparative: ickier
Superlative: ickiest
Ickiest → It is formed from "icky" (a colloquial term meaning unpleasant or disgusting) and the suffix "-est" (used to form the superlative degree). The word "ickiest" means the most unpleasant or disgusting.
Think of 'icky' as something unpleasant, and remember that 'ickiest' means the most unpleasant of all.
No commonly confused words.