Definition of perfect adjective from the Oxford Advanced American Dictionary

      

    perfect

     adjective
    adjective
    NAmE//ˈpərfɪkt//
     
     
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  1. 1having everything that is necessary; complete and without faults or weaknesses in perfect condition a perfect set of teeth Well I'm sorry—but nobody's perfect (= used when someone has criticized you).
  2. 2completely correct; exact and accurate She speaks perfect English. a perfect copy/fit/match What perfect timing! see also letter-perfect
  3. 3the best of its kind a perfect example of the painter's early style the perfect crime (= one in which the criminal is never discovered)
  4. 4excellent; very good The weather was perfect. Thesaurusexcellentoutstanding perfect superbThese words all describe something that is extremely good.excellent extremely good. Excellent is used especially about standards of service or of something that someone has worked to produce:The rooms are excellent value at $20 a night. He speaks excellent English.Excellent is also used to show that you are very pleased about something or that you approve of something:You can all come? Excellent!outstanding extremely good. Outstanding is used especially about how well someone does something or how good someone is at something:an outstanding achievement She's an outstanding dancer.perfect extremely good. Perfect is used especially about conditions or how suitable something is for a purpose:Conditions were perfect for walking. She came up with the perfect excuse.superb (formal) extremely good or impressive:The facilities at the hotel are superb.Patterns a(n) excellent/outstanding/perfect/superb job/performance a(n) excellent/outstanding/superb achievement absolutely excellent/outstanding/perfect/superb
  5. 5perfect for somebody/something exactly right for someone or something synonym ideal It was a perfect day for a picnic. She's the perfect candidate for the job. “Will 2:30 be OK for you?” “Yes, that will be perfect.”
  6. 6[only before noun] total; complete I don't know him—he's a perfect stranger.
  7. 7 (grammar) connected with the form of a verb that consists of part of the verb have with the past participle of the main verb, used to express actions completed by the present or a particular point in the past or future “I have eaten” is the present perfect tense of the verb “to eat,” “I had eaten” is the past perfect, and “I will have eaten” is the future perfect. see also future perfect, past perfect, present perfect
  8. Idioms
    in an ideal/a perfect world
     
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    used to say that something is what you would like to happen or what should happen, but you know it cannot In an ideal world we would be recycling and reusing everything.
    practice makes perfect(saying)
     
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    a way of encouraging people by telling them that if you do an activity regularly and try to improve your skill, you will become very good at it
    practice makes perfect(saying)
     
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    a way of encouraging people by telling them that if you do an activity regularly and try to improve your skill, you will become very good at it
See the Oxford Advanced Learner's Dictionary entry: perfect