Definition of more adverb from the Oxford Advanced American Dictionary

     

    more

     adverb
    adverb
    NAmE//mɔr//
     
    more (than…)
     
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  1. 1 used to form the comparative of adjectives and adverbs with two or more syllables She was far more intelligent than her sister. He read the letter more carefully the second time.
  2. 2 to a greater degree than something else; to a greater degree than usual I like her more than her husband. a course for more advanced students It had more the appearance of a deliberate crime than of an accident. Could you repeat that once more (= one more time)? Signing the forms is little more than (= only) a formality. I'm more than happy (= extremely happy) to take you there in my car. She was more than a little shaken (= extremely shaken) by the experience. (formal) I will torment you no more (= no longer). see also anymore
  3. Idioms
    more and more
     
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    continuing to become larger in number or amount synonym increasingly I was becoming more and more irritated by his behavior.
    the more, less, etc…, the more, less, etc…
     
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    used to show that two things change to the same degree The more she thought about it, the more depressed she became. see also less
      more or less
       
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    1. 1almost I've more or less finished the book.
    2. 2approximately She could earn $200 a night, more or less.
    what is more
     
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    used to add a point that is even more important You're wrong, and what's more you know it! Language Bankadditionadding another item Bilingual children do better on IQ tests than children who speak only one language. In addition/What is more, they seem to find it easier to learn third, or even fourth, languages. Learning another language not only improves children's job prospects in later life, but also boosts their self-esteem. Teaching children a second language improves their job prospects in later life. Other benefits include increased self-esteem and greater tolerance of other cultures. Another/One further/One additional reason for encouraging bilingual education is that it boosts children's self-esteem. Studies suggest that bilingual children find it easier to learn additional languages. There is, moreover, increasing evidence that bilingual children perform better across a range of school subjects, not just foreign languages. His claim that children find bilingual education confusing is based on very little evidence. Moreover, the evidence he does provide is seriously flawed. Research has shown that first-language development is not impeded by exposure to a second language. Furthermore, there is no evidence to support the claim that children find bilingual education confusing.
See the Oxford Advanced Learner's Dictionary entry: more