IPA: /ˈkruːlɪst/
KK: /ˈkruːlɪst/
The most unkind or harsh; causing pain or suffering to others.
The cruelest thing he did was to ignore her when she needed help.
Comparative: crueler
Superlative: cruelest
Cruelest → It is formed from "cruel" (from Old French *cruel*, meaning harsh or severe) and the superlative suffix "-est" (meaning most). The word "cruelest" means the most harsh or severe in terms of causing pain or suffering.
Think of the word 'cruel' meaning harsh or severe, and remember that 'cruelest' refers to the most extreme form of cruelty.