heads up

See synonyms for heads up on Thesaurus.com
interjection
  1. (used to call attention to an impending danger or the need for immediate alertness.)

Origin of heads up

1
First recorded in 1940–45

Other definitions for heads-up (2 of 2)

heads-up
[ hedz-uhp ]

adjective
  1. quick to grasp a situation and take advantage of opportunities; alert; resourceful.

noun
  1. a warning in advance: sending a heads-up to the Pentagon about possible attacks.

Origin of heads-up

2
First recorded in 1945–50

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for heads up

heads up

noun
  1. mainly US and Canadian a tip-off or small amount of information given in advance

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

Other Idioms and Phrases with heads up

heads up

A warning to watch out for potential danger, as in Heads up, that tree is coming down now! The expression is generally in the form of an interjection. [c. 1940]

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