Comparative & superlative

One-syllable adj. tall taller as tall asthan less tall than the tallest

3+- syllable adj. interesting more interesting than as interesting as less interesting than the most interesting

2+- syllable adj.

ending –ful & -re

doubtful doubtfulmore than as doubtful as less doubtful than the most doubtful

2+- syllable adj.

ending -er, -y, -ly

obscure obscuremore than as obscure as less obscure than the most obscure

clever cleverer than as clever as less clever than the cleverest

silly sillier than as silly as less silly than the silliest