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Definitions

flag

[flag] / flæg /
NOUN
pennant, symbol
Synonyms
STRONGEST
banner emblem streamer
STRONG
colors ensign jack pennon standard
WEAK
banderole bannerol burgee gonfalon
VERB
decline, wane
Synonyms
STRONGEST
abate deteriorate ebb fade languish sag taper off wane
STRONG
die droop fail faint pine sink slump succumb weaken weary wilt
WEAK
peter out
Antonyms
STRONGEST
enhance grow improve increase rise strengthen
WEAK
do well
VERB
signal
Synonyms
STRONGEST
indicate salute
STRONG
gesture hail motion warn wave
WEAK
give a sign to

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

That is always a red flag for me when I’m reading an OLC opinion.

From Slate • Apr. 9, 2026

"He never had a single red flag at all."

From BBC • Apr. 7, 2026

Air India Chief Executive Campbell Wilson is stepping down, the latest setback for India’s flag carrier as it grapples with continuing losses following a deadly crash last year.

From The Wall Street Journal • Apr. 7, 2026

The PEG ratio for tech is now below that of the global aggregate market, another green flag for budding “valuation opportunities.”

From MarketWatch • Apr. 7, 2026

It was a birdcage, dangling from the tower window like a flag in the wind, but inside the birdcage she could see a small and frightened Sunny.

From "The Bad Beginning" by Lemony Snicket