There are three degrees of comparison in adverbsthe  Positive , the  Comparative , and the  Superlative . The adverbs form their comparatives and superlatives using  –er  and  –e st  , and more  and most . Adverbs that end in –ly use the words more  and most  to form their comparatives and superlatives.

The one-syllable adverbs use  --er  in the comparative form, and  --est  in the superlative form.

Absolute Comparative Superlative
early earlier earliest
fast faster fastest
hard harder hardest
high higher highest
late later latest
loud louder loudest
near nearer nearest
soon sooner soonest

Adverbs which end in --ly  or have three or more syllables each form the comparative with more  and the superlative with most .

Absolute Comparative Superlative
angrily more angrily most angrily
brightly more brightly most brightly
dimly more dimly most dimly
freely more freely most freely
gladly more gladly most gladly
heavily more heavily most heavily
loudly more loudly most loudly
quietly more quietly most quietly
sweetly more sweetly most sweetly
terribly more terribly most terribly

The comparative form is used to compare two things.

Examples:

  • We must not reach there  later  than 7 o’clock.
  • You speak  more loudly  than a loudspeaker.
  • Sirius shines  more brightly  than all the other stars.

The superlative form is used to compare three or more things. 

Examples:

  • He arrived  the earliest , so he had to wait for the others.
  • Why do you have to speak the  most loudly  of all at the meeting?
  • Of all the girls, your sister sang the  most sweetly .

It is not correct to use  –er and more together, or –est and most together .

Examples:

  • Incorrect : The tree is more taller than the giraffe.
  • Correct : The tree is taller than the giraffe.
  • Incorrect : This turkey is themost oldest  in the farm.
  • Correct : This turkey is the oldest  in the farm.

Some adverbs form the comparative and the superlative irregularly.

Absolute Comparative Superlative
badly worse (than) worst (the)
far farther farthest
far further furthest
little less least
much/many more most
well better best

Examples:

  • Of the two teddy bears, which do you like  better ?
  • This has to be the  farthest  I have ever walked in my life.

(For more on comparison of adverbs using more and most, see List 8 - Adverbs )