Definition of care verb from the Oxford Advanced American Dictionary

     

    care

     verb
    verb
    NAmE//kɛr//
     
    Verb Forms present simple I / you / we / they care
     
    he / she / it cares
     
    past simple cared
     
     
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  1. 1(not used in the progressive tenses)
  2. 2 [intransitive, transitive] to feel that something is important and worth worrying about I don't care (= I will not be upset) if I never see him again! He threatened to fire me,as if I care! care about something She cares deeply about environmental issues. care what/whether, etc. I don't care what he thinks. care that… She doesn't seem to care that he's been married four times before.
  3. 3[intransitive] care (about somebody) to like or love someone and worry about what happens to them He genuinely cares about his employees. They care an awful lot about each other.
  4. 4[transitive] care to do something to make the effort to do something I've done this job more times than I care to remember.
  5. Word Familycare noun verbcareful adjective (careless)carefully adverb (carelessly)caring adjective (uncaring)care noun verbcareful adjective (careless)carefully adverb (carelessly)caring adjective (uncaring)Idioms
    couldn't care less(informal)
     
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    used to say, often rudely, that you do not think that someone or something is important or worth worrying about Honestly, I couldn't care less what they do.
    for all you, I, they, etc. care(informal)
     
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    used to say that a person is not worried about or interested in what happens to someone or something I could be dead for all he cares!
    not care/give a hoot,not care/give two hoots(informal)
     
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    not to care at all I don't give two hoots about having money, as long as I'm happy.
    who cares?,What do I, you, etc. care?(informal)
     
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    used to say, often rudely, that you do not think that something is important or interesting Who cares what she thinks?
    Would you care for something?,Would you care to do something?(formal)
     
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    used to ask someone politely if they would like something or would like to do something, or if they would be willing to do something Would you care for another drink? If you'd care to follow me, I'll show you where his office is. More Aboutoffers and invitations Would you like…? is the most usual polite question form for offers and invitations:Would you like a cup of coffee? Do you want…? is less formal and more direct:We’re going to a club tonight. Do you want to come with us? Would you care…? is very formal and now sounds old-fashioned.
    Phrasal Verbscare for somebodynot care for somebody/something
See the Oxford Advanced Learner's Dictionary entry: care