Rules to Remember!! Adjective Comparative Superlative One-syllable adjectives. Examples: old, fast, tall, neat, cheap Add - er : older, faster, taller, neater, cheaper Add - est : oldest, fastest, tallest. neatest, cheapest One-syllable adjectives, ending in E. Examples: late, fine, nice Add -r: later, finer, nicer Add - st : latest, finest, nicest One-syllable adjectives, with one vowel and one consonant (CVC). Examples: hot, big, fat, thin Double the consonant, and add - er : hotter, bigger, fatter, thinner Double the consonant, and add - est : hottest, biggest, fattest, thinnest Two-syllable adjectives, ending in Y. Examples: happy, easy Change y to i , then add - er : happier, easier Change y to i , then add - est : happiest, easiest Two-syllable adjectives ending in a vowel-sound that is not stressed. Examples: narrow, simple Add - er : narrower, simpler Add - est : narrower, simplest