American English

Definition of of preposition from the Oxford Advanced American Dictionary

      

    of

     preposition
    preposition
    NAmE//əv//
     
    , NAmE//ə//
     
    , NAmE//ʌv//
     
     
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  1. 1belonging to someone; relating to someone a friend of mine the love of a mother for her child the role of the teacher Can't you throw out that old bike of Tommy's? the paintings of Monet When you are talking about everything someone has painted, written, etc., use of. When you are referring to one or more examples of someone's work, use by:a painting by Monet
  2. 2 belonging to something; being part of something; relating to something the lid of the box the president of the company a member of the team the result of the debate
  3. 3 coming from a particular background or living in a place a woman of Italian descent the people of Kansas
  4. 4concerning or showing someone or something a story of passion a photo of my dog a map of India
  5. 5 used to say what someone or something is, consists of, or contains the city of Las Vegas the issue of housing a crowd of people a glass of milk
  6. 6 used with measurements and expressions of time, age, etc. 2 pounds of potatoes an increase of 2% a girl of 12 the fourth of July the year of his birth (old-fashioned) We would often have a walk of an evening.
  7. 7used to show that someone or something belongs to a group, often after some, a few, etc. some of his friends a few of the problems the most famous of all the stars
  8. 8 used to show the position of something or someone in space or time just north of Detroit at the time of the revolution at a quarter of eleven tonight (= 10:45 p.m.)
  9. 9used after nouns formed from verbs. The noun after “of” can be either the object or the subject of the action the arrival of the police (= they arrive) criticism of the police (= they are criticized) fear of the dark the howling of the wind
  10. 10used after some verbs before mentioning someone or something involved in the action to deprive someone of something He was cleared of all blame. Think of a number.
  11. 11used after some adjectives before mentioning someone or something that a feeling relates to to be proud of something
  12. 12used to give your opinion of someone's behavior It was kind of you to offer.
  13. 13used when one noun describes a second one Where's that idiot of a boy? (= the boy that you think is stupid)
  14. Idioms used before a noun to say that something is very surprising I'm surprised that you of all people should say that.
    of all the…
     
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    used to express anger Of all the nerve!
See the Oxford Advanced Learner's Dictionary entry: of