English adjectives comparison

A - Comparative & Superlative with -er/-est

We use -er / -est with the following adjectives:

One-sylable adjectives

Adjective	Compariative	Superlative
cold	colder	coldest
cool	cooler	coolest
great	greater	greatest
hard	harder	hardest
high	higher	highest
low	lower	lowest
neat	neater	neatest
new	newer	newest
short	shorter	shortest
small	smaller	smallest
thick	thicker	thickest
weak	weaker	weakest

Two-syllable adjectives with the following endings:

Endings:	Adjective	Comparative	Superlative
-y	dirty	dirtier	dirtiest
	easy	easier	easiest
	happy	happier	happiest
	pretty	prettier	prettiest
-er	clever	cleverer	cleverest
-le	simple	simpler	simplest
-ow	narrow	narrower	narrowest

Spelling of the adjectives with -er/-est

Rule	Adjective	Compariative	Superlative
one-syllable adjective ending in -e	large	larger	largest
double the consonant when it is after a single vowel-letter	big	bigger	biggest
	fat	fatter	fattest
	sad	sadder	saddest
	thin	thinner	thinnest
	wet	wetter	wettest
change -y to -i (consonant before -y)	tidy	tidier	tidiest
	busy	busier	busiest
	dirty	dirtier	dirtiest
	dry	drier	driest
	early	earlier	earliest
	easy	easier	easiest
	empty	emptier	emptiest
	funny	funnier	funniest
	heavy	heavier	heaviest
	ready	readier	readiest
Exceptions!	shy	shyer	shyest
	gay	gayer	gayest
	grey	greyer	greyest
	fey	feyer	feyest

Comparison with 'more' - 'most'

Adjective	Comparative	Superlative
difficult	more difficult	the most difficult

Irregular adjectives

Adjective	Compariative	Superlative
good	better	best
bad	worse	worst
much	more	most
many	more	most
little	less	least
little	smaller	smallest

Special adjectives

adjective	compariative	superlative
common	commoner more common	commonest most common