It would be angrier.
mad
angrier
angrier
angry-angrier-angriest
angrier
angrier, angriest
Sharper is the comparative form of the word sharp.
The comparative form of the word 'fast' is 'faster'.
The comparative form of longest is longer.
smoother is comparative of word smooth.
Smoothest is the superlative form of the word smooth. The comparative form is smoother.
Fool is a noun and a verb and, as such, does not have a comparative form.
What is the comparative form of word naughty ?
"Windier" is the comparative form of windy. "Windiest" is the superlative form.