English

Definition of look up phrasal verb from the Oxford Advanced Learner's Dictionary

  

look up

 phrasal verb
phrasal verb
 
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Phrasal Verbs
(informal) (of business, somebody’s situation, etc.) to become better synonym improve At last things were beginning to look up.

look up (from something)

 
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 to raise your eyes when you are looking down at something She looked up from her book as I entered the room.
[no passive] (informal) to visit or make contact with somebody, especially when you have not seen them for a long time Do look me up the next time you're in London.
 to look for information in a dictionary or reference book, or by using a computer Can you look up the opening times on the website? I looked it up in the dictionary.
See the Oxford Advanced American Dictionary entry: look up