A comparative adjective compares one noun to another. We usually add the letters –er to an adjective to show that it is comparative.
Chess is a hard game to play. Bridge is a harder game to play.
December 2 was a cold day. December 3 was a colder day.
I took a long walk yesterday. I will take a longer walk today.
Here are some more examples of comparative adjectives:
short – shorter
warm – warmer
tall – taller
cool – cooler
sick – sicker
high – higher
low – lower
Add -er to an adjective when comparing one noun to another. An adjective that ends in –er is called a comparative adjective.
▶It’s your turn. Change this sentence so that the adjective is a comparative adjective. My brother is tall. My dad is ________. Did you add an -er onto the adjective? Good for you!