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Definition of OK adjective from the Oxford Advanced American Dictionary

     

    OK

     adjective,adverb
    adjective, adverb
    NAmE//ˌoʊˈkeɪ//
     
    (informal)
     
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  1. 1safe and well; in a calm or happy state Are you OK? Thesauruswell
    • good
    • all right
    • OK
    • fine
    • healthy
    • strong
    • in shape
    These words all describe someone who is not sick and is in good health.
    • well [not usually before noun] (somewhat informal) in good health:Is he well enough to travel? Well is used especially to talk about your own health, to ask someone about their health, or to make a comment on it.
    • good [not usually before noun] (somewhat informal) in good health:I don't feel good. She's looking much better these days.
    • all right [not before noun] (somewhat informal) not feeling ill; not injured:Are you feeling all right?
    • OK [not before noun] (informal) not feeling ill; not injured:She says that she's OK now, and will be back at work tomorrow.
    all right or ok?These words are slightly less positive than the other words in this group. They are both used in spoken English, to talk about not actually being sick or injured, rather than being positively in good health. Both are somewhat informal but OK is slightly more informal than all right.
    • fine [not before noun] (not used in negative statements) (somewhat informal) completely well:“How are you?” “Fine, thanks.” Fine is used especially to talk about your health, especially when someone asks you how you are. It is also used to talk about someone's health when you are talking to someone else.
    • healthy in good health and not likely to become sick:Stay healthy by exercising regularly.
    • strong in good health and not suffering from an illness:After a few weeks, she was feeling stronger. Strong is often used to talk about becoming healthy again after an illness.
    • in shape in good physical health, especially because you take regular physical exercise:I go swimming every day in order to stay in shape.
    Patterns
    • all right/OK/in shape for something
    • all right/OK to do something
    • to feel/look well/good/all right/OK/fine/healthy/strong
    • to keep (somebody) well/healthy/in shape
    • perfectly well/all right/OK/fine/healthy
    • physically well/healthy/strong
  2. 2OK (for somebody) (to do something) all right; acceptable; in an acceptable way Is it OK if I leave now? Is it OK for me to come too? Does my hair look okay? I think I did OK on the exam. Whatever you decide, it's okay with/by me. an okay movie
  3. Thesauruswell
    • good
    • all right
    • OK
    • fine
    • healthy
    • strong
    • in shape
    These words all describe someone who is not sick and is in good health.
    • well [not usually before noun] (somewhat informal) in good health:Is he well enough to travel? Well is used especially to talk about your own health, to ask someone about their health, or to make a comment on it.
    • good [not usually before noun] (somewhat informal) in good health:I don't feel good. She's looking much better these days.
    • all right [not before noun] (somewhat informal) not feeling ill; not injured:Are you feeling all right?
    • OK [not before noun] (informal) not feeling ill; not injured:She says that she's OK now, and will be back at work tomorrow.
    all right or ok?These words are slightly less positive than the other words in this group. They are both used in spoken English, to talk about not actually being sick or injured, rather than being positively in good health. Both are somewhat informal but OK is slightly more informal than all right.
    • fine [not before noun] (not used in negative statements) (somewhat informal) completely well:“How are you?” “Fine, thanks.” Fine is used especially to talk about your health, especially when someone asks you how you are. It is also used to talk about someone's health when you are talking to someone else.
    • healthy in good health and not likely to become sick:Stay healthy by exercising regularly.
    • strong in good health and not suffering from an illness:After a few weeks, she was feeling stronger. Strong is often used to talk about becoming healthy again after an illness.
    • in shape in good physical health, especially because you take regular physical exercise:I go swimming every day in order to stay in shape.
    Patterns
    • all right/OK/in shape for something
    • all right/OK to do something
    • to feel/look well/good/all right/OK/fine/healthy/strong
    • to keep (somebody) well/healthy/in shape
    • perfectly well/all right/OK/fine/healthy
    • physically well/healthy/strong
See OK in the Oxford Advanced Learner's Dictionary