IPA: /ˈkruːəlɪst/
KK: /ˈkruːəlɪst/
The most unkind or harsh; causing great pain or suffering.
He was known as the cruellest ruler in history, feared by all his subjects.
Comparative: crueler
Superlative: cruellest
Cruellest → It is formed from "cruel" (from Old French *cruel*, meaning harsh or severe) and the superlative suffix "-est" (meaning most). The word "cruellest" means the most harsh or severe, indicating an extreme degree of cruelty.
Think of the word 'cruel' meaning harsh or severe, and remember that 'cruellest' means the most cruel.