turn in


verb (adverb) informal

(intr) to go to bed for the night
(tr) to hand in; deliverto turn in an essay
(tr) to deliver (someone accused of a crime) into police custody
to give up or conclude (something)we turned in the game when it began to rain
(tr) to record (a score, etc)
turn in on oneself to withdraw or cause to withdraw from contact with others and become preoccupied with one's own problems

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example sentences from the Web for turn in

Idioms and Phrases with turn in

turn in

1

Hand in, give over, as in I turned in my exam and left the room. [c. 1300]

2

Surrender or inform on, especially to the police, as in The shoplifter turned herself in. [1920s]

3

Produce, as in He turned in a consistent performance every day. [Mid-1900s]

4

Go to bed, as in I turned in early last night. [Colloquial; late 1600s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.