509. Comparative and Superlative Adjectives Using More and Most

Comparative adjectives usually add -er.
Dad is tall. Grandpa is taller.

Long adjectives with multiple syllables use the word more to show they are comparative.
My brother is helpful. My uncle is even more helpful.

Superlative adjectives usually add -est.
Julie and Cindy are both short. Janice is the shortest of all three girls.

Long adjectives with multiple syllables use the word most to show they are superlative.
My brother and uncle are helpful, but my dad is the most helpful of all.

Here are more words that use more to show comparative and most to show superlative:
joyful, more joyful, most joyful
frightening, more frightening, most frightening
impressive, more impressive, most impressive
dramatic, more dramatic, most dramatic

Adjectives that contain many syllables use more to show comparative and most to show superlative.

▶It’s your turn. Write the correct word into each blank to make comparative and superlative adjectives. Sam looks bewildered by the strange surroundings. Jeff looks ___ bewildered. Marvin is the ___ bewildered of all.