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red flag

noun

the symbol or banner of a left-wing revolutionary party.
a danger signal.
something that provokes an angry or hostile reaction:
The talk about raising taxes was a red flag to many voters.
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.
(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.

red-flag

[ red-flag ]

Phonetic (Standard)IPA

verb (used with object)

red-flagged, red-flagging.

to mark or draw attention to for a particular purpose:
The department has red-flagged the most urgent repair work to be done.
to provoke the attention of; alert; arouse:
The animal's refusal to eat red-flagged the keeper that something was wrong.

adjective

of or relating to a red flag.
intended or serving to emphasize, warn, incite, or provoke.

red flag

noun

a symbol of socialism, communism, or revolution
a warning of danger or a signal to stop

Red Flag

noun

the Red Flag
a socialist song, written by James Connell (1852–1929), Irish political activist, in 1889

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Word History and Origins

Origin of red flag¹

First recorded in 1770–80

Origin of red flag²

First recorded in 1880–85

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Example Sentences

Examples have not been reviewed.

Bosses also debated ways to minimise the risk of grass fires, such as those that led to a series of red flags during practice at the Japanese Grand Prix last month.

From

Reusing some of the questions from the first-year law exam raised red flags, Basick said.

From

Walgreens pharmacists ignored red flags that the prescriptions were invalid or lacked a medical purpose, the complaint said.

From

Other hazing methods approved by the department in recent years, such as electric fences with red flags attached that flutter in the wind, have done little to keep the wolves from their herds.

From

Russell said he had "mixed feelings" because he felt there was more in his car, adding that he rued Mercedes' decision not to use the same strategy as Red Bull after the red flag.

From

redfish red flash

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