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English definition of “comparative”

comparative

noun [C]     /kəmˈpær.ə.tɪv/ US  /-ˈper.ə.t̬ɪv/ specialized
A2 the form of an adjective or adverb that expresses a difference in amount, number, degree, or quality: 'Fatter' is the comparative of 'fat'. 'More difficult' is the comparative of 'difficult'.Grammatical terms Grammar:Any and comparativesWe use any with comparative adjectives and adverbs:See moreGrammar:Comparison: adjectives (bigger, biggest, more interesting)See moreGrammar:Comparative and superlative adjectivesSee moreGrammar:Comparative and superlative adjectives: formSee moreGrammar:Comparative adjectives: using much, a lot, far, etc.We can strengthen or emphasise a comparative adjective using words such as much, a lot, far, even or rather, or by using than ever after the adjective:See moreGrammar:Comparative adjectives: using thanWe use than when we mention the second person or thing in the comparison. If the second person mentioned takes the form of a personal pronoun, we normally use the object form of the pronoun (me, you, him, her, us, them):See moreGrammar:Comparative adjectives: -erand -er, more and moreTo talk about how a person or thing is changing and gaining more of a particular quality, we can use two -er form adjectives connected by and, or we can use more and more before an adjective. We don’t follow such comparisons with than:See moreGrammar:Comparative adjectives: the -er, the -er and the more …, the moreIf a person or things gains more of a particular quality and this causes a parallel increase of another quality, we can repeat the + a comparative adjective:See moreGrammar:Reduced forms after comparativesAfter than, we often don’t repeat subject pronouns with impersonal subjects, or auxiliary verbs with passive voice verbs:See moreGrammar:Less and not as/not so with comparativesWe use less with longer adjectives (interesting, beautiful, complicated), but we don’t normally use less with short adjectives of one syllable (big, good, high, small). Instead we use not as … as …, or not so … as … Not as is more common than not so:See moreGrammar:Prepositions after superlative adjectivesWe don’t normally use of before a singular name of a place or group after a superlative adjective:See moreGrammar:The with superlative adjectivesWhen a superlative adjective is followed by a noun, we normally use the:See moreGrammar:Other determiners with superlative adjectivesBefore a superlative adjective, we can use a possessive determiner (my, his, their), or the + a number (two, three, first, second), or a possessive determiner + a number:See moreGrammar:Emphasising superlative adjectivesWe can make a superlative adjective stronger with by far, easily or of all:See moreGrammar:To-infinitives after superlative adjectivesWe can use a to-infinitive after a superlative adjective, with a meaning similar to a relative clause with who, which or that:See moreGrammar:Comparative adjectives: typical errorsSee moreGrammar:Comparison: adverbs (worse, more easily)See moreGrammar:Adverbs: comparative and superlative formsAdverbs do not normally change in form, but a few have comparative and superlative forms. These are usually short adverbs and so they normally have comparative and superlative forms with -er and -est.See moreGrammar:Adverbs with more and mostAdverbs with two or more syllables form the comparative and superlative with more and most:See moreGrammar:Well and badlyThe adverb well has the same comparative and superlative forms as the adjective good (better, best). The adverb badly has the comparative and superlative forms worse, worst:See moreGrammar:Comparative adverbs: using thanWhen we mention the second person or thing in the comparison, we use than. We do not use that or as. If the second person mentioned takes the form of a personal pronoun, we normally use the object form of the pronoun (me, you, him, her, us, them):See moreGrammar:Comparison: clauses (bigger than we had imagined)The second part of a comparison (underlined) is often a clause:See moreGrammar:Comparison: comparisons of equality (as tall as his father)See moreGrammar:Comparative formsFarther and further are comparative adverbs or adjectives. They are the irregular comparative forms of far. We use them to talk about distance. There is no difference in meaning between them. Further is more common:See moreGrammar:Superlative formsFarthest and furthest are superlative adjectives or adverbs. They are the irregular superlative forms of far. We use them to talk about distance. There is no difference in meaning between them. Furthest is more common than farthest:See more
(Definition of comparative noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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