keep an eye out


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keep an eye out

To remain vigilant or carefully watchful (for something or someone). Often used as an imperative. We heard the health inspector will be doing a surprise inspection someday soon, so keep an eye out. They should be arriving any minute, so keep an eye out for them. I was keeping an eye out for a present we could give your mother, but nothing caught my eye.
See also: eye, keep, out
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

keep an eye out (for someone or something)

 and have an eye out (for someone or something); keep one's eye out (for someone or something); have one's eye out (for someone or something)
Fig. to watch for the arrival or appearance of someone or something. Please try to have an eye out for the bus. Keep an eye out for rain. Have your eye out for a raincoat on sale.
See also: eye, keep, out
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

keep an eye out

INFORMAL
COMMON If you keep an eye out for someone or something, you watch for them carefully. You and your friends keep an eye out — if there's any trouble we'll make a break for it. Mikel, go and keep an eye out for Tam.
See also: eye, keep, out
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

keep an ˈeye out (for somebody/something)

(informal) watch or look carefully (for somebody/something): Can you keep an eye out for the taxi and let me know when it arrives?
See also: eye, keep, out
Farlex Partner Idioms Dictionary © Farlex 2017

keep an eye out

To be watchful.
See also: eye, keep, out
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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