Comparison in English

The English language compares adjectives by adding -errespectively -est to the end of the word.

big – bigger – biggest, tall – taller – tallest

If the adjective consists of more than one syllable
the comparison is formed by help of more and most .

interesting – more interesting – most interesting

two-syllable adjectives ending with -y compare by -ier:

easy – easier – easiest


comparativebetterworselessfurhter (farther)
superlativebestworstleastfurthest (farthest)

Adjectives are compared by help of as and "than" .

I am as young as Joe, but I am older "than" Susan.