sleepier
The comparative form of the adjective "sleepy" is "sleepier." This form is used to describe a greater degree of sleepiness in comparison to something else, as in "I feel sleepier today than I did yesterday."
sleepier
Sharper is the comparative form of the word sharp.
The comparative form of the word 'fast' is 'faster'.
comparative =sleepier superlative =sleepiest
The comparative form of longest is longer.
smoother is comparative of word smooth.
sleepier
sleepier
sleepier, sleepiest
Comparative: uglier Superlative: ugliest
Smoothest is the superlative form of the word smooth. The comparative form is smoother.