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Definition of under preposition from the Oxford Advanced Learner's Dictionary

under

preposition
 
/ˈʌndə(r)/
 
/ˈʌndər/
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  1. in, to or through a position that is below something
    • Have you looked under the bed?
    • She placed the ladder under (= just lower than) the window.
    • The dog squeezed under the gate and ran into the road.
  2. below the surface of something; covered by something
    • The boat lay under several feet of water.
  3. less than; younger than
    • an annual income of under £10 000
    • It took us under an hour.
    • I'm actually in the film for just under two minutes.
    • Nobody under 18 is allowed to buy alcohol.
  4. affected by something
    • The wall collapsed under the strain.
    • I've been feeling under stress lately.
    • I'm under no illusions about what hard work this will be.
    • You'll be under anaesthetic, so you won't feel a thing.
  5. used to say who or what controls, governs or manages somebody/something
    • The country is now under martial law.
    • The coinage was reformed under Elizabeth I (= when she was queen).
    • She has a staff of 19 working under her.
    • Under its new conductor, the orchestra has established an international reputation.
  6. according to an agreement, a law or a system
    • A man was detained under the Mental Health Act.
    • Under the terms of the lease you had no right to sublet the property.
    • Is the television still under guarantee?
  7. experiencing a particular process
    • The hotel is still under construction.
    • The matter is under investigation.
  8. using a particular name
    • She also wrote under the pseudonym of Barbara Vine.
  9. found in a particular part of a book, list, etc.
    • If it's not under ‘sports’, try looking under ‘games’.
  10. Word OriginOld English, of Germanic origin; related to Dutch onder and German unter.
See under in the Oxford Advanced American DictionarySee under in the Oxford Learner's Dictionary of Academic English
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