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red flag

noun
1.
the symbol or banner of a left-wing revolutionary party.
2.
a danger signal.
3.
something that provokes an angry or hostile reaction:
The talk about raising taxes was a red flag to many voters.
4.
Also called powder flag. Nautical. a red burgee, designating in the International Code of Signals the letter “B,” flown by itself to show that a vessel is carrying, loading, or discharging explosives or highly inflammable material.
5.
(initial capital letters) a war game the U.S. Air Force holds several times each year at Nellis Air Force Base, Nevada, to train personnel in air combat.
Origin
1770-1780
1770-80

red-flag

[red-flag] /ˈrɛdˈflæg/
verb (used with object), red-flagged, red-flagging.
1.
to mark or draw attention to for a particular purpose:
The department has red-flagged the most urgent repair work to be done.
2.
to provoke the attention of; alert; arouse:
The animal's refusal to eat red-flagged the keeper that something was wrong.
adjective
3.
of or pertaining to a red flag.
4.
intended or serving to emphasize, warn, incite, or provoke.
Origin
1880-85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for red-flag

red flag

noun
1.
a symbol of socialism, communism, or revolution
2.
a warning of danger or a signal to stop

Red Flag

noun
1.
the Red Flag, a socialist song, written by James Connell (1852–1929), Irish political activist, in 1889
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
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Slang definitions & phrases for red-flag

red flag

modifier

Subject of a special warning or suspicion: His article identifies several ''red flag'' professions that have a higher-than-usual chance of being audited

[1976+; found as a sign of warning by 1777]


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Difficulty index for red flag

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Word Value for red

4
4
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