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English definition of “both”

both

predeterminer, determiner, pronoun     /bəʊθ/ US  /boʊθ/
A1 (referring to) two people or things together: Both my parents are teachers. They have two children, both of whom live abroad. She has written two novels, both of which have been made into television series. Both Mike and Jim have red hair/Mike and Jim both have red hair. I loved them both/I loved both of them. The problem with both of these proposals is that they are hopelessly impractical. Are both of us invited, or just you? Would you like milk or sugar or both? Both men and women have complained about the advertisement. I felt both happy and sad at the same time. I think it's important to listen to both sides of the argument. Improved childcare facilities would benefit both sexes, not just women. I failed my driving test because I didn't keep both hands on the steering wheel.Both, all, each and every Grammar:BothWe use both to refer to two things or people together:See moreGrammar:Both with nounsWhen we use both before a determiner (e.g. a/an, the, she, his) + noun, both and both of can be used:See moreGrammar:Both with pronounsSee moreGrammar:Both as a pronounWe can use both on its own as a pronoun:See moreGrammar:Both: positionIf both refers to the subject of a clause, we can use it in the normal mid position for adverbs, between the subject and main verb, after a modal verb or the first auxiliary verb, or after be as a main verb:See moreGrammar:Both in short answersWe use both on its own in short answers:See moreGrammar:Both of or neither of in negative clausesWe usually use neither of rather than both of … not in negative clauses:See moreGrammar:Both … and as a linking expressionWe use both … and to emphasise the link between two things. This makes a stronger connection than and alone:See moreGrammar:Both: typical errorsSee more
(Definition of both predeterminerdeterminerpronoun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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