In the English language, a degree of comparison is a form of adjective that is used to compare a person or thing possessing the same quality with another. It is related to the adjective or adverb in a sentence. The Collins Dictionary defines the ‘degree of comparison’ as “the listing of the positive, comparative, and superlative forms of an adjective or adverb.” In other words, it can be said that one can use the degree of comparison to make a comparison between nouns having comparable quality or qualities. Let us now look at each of the degrees of comparison in detail.
 
Positive Degree of Comparison
The positive degree of comparison is basically the original form of the adjective. This degree does not allow you to make any comparison. It only gives the audience the information about a particular quality possessed by a noun.

Comparative Degree of Comparison
The comparative degree of comparison is used to compare between two nouns that have the same quality or the particular quality of a noun at two different times. It shows which one of the two has the greater or lesser degree of the particular quality being referred to.
 
Superlative Degree of Comparison
The superlative degree of comparison is the highest degree of comparison. It is used to compare the similar qualities shared by more than two nouns. It shows which of these nouns being compared has the greatest or least degree of the mentioned quality or qualities.

Take a look at the following examples of how degrees of comparison can be used.