Adjective Irregular bad good some little far
Comparative worse than better than more than less than farther than
Superlative (the) worst (of all) (the) best (of all) (the) most (of all) (the) least (of all) (the) farthest (of all)
Change y to ie before adding the -est ending: healthy tasty heavy pretty dry ugly juicy hungry early fancy frumpy
healthier than tastier than
the healthiest the tastiest
One syllable words ending in –d, -t, -m, -n double the final consonant before adding –est. sad mad fat thin hot wet slim
sadder than
the saddest
fatter than thinner than slimmer than
Some 2 syllable words and all words of 3 or more syllables use ‘more’ and ‘most’; expensive boring interesting beautiful enchanting exquisite popular patient hard-working decent grateful spiteful useful careful
more expensive than
the most expensive of all
Most adjectives are regular: big small black white large high low tall short long fresh young old slow fast stale light cheap dear stiff soft near round square sharp blunt broad narrow kind brave wide gentle creamy cold few
bigger than
the biggest (of all)
more stale than
the most stale
more gentle than
the most gentle