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Meaning of raise red flags | Babel Free

Verb CEFR C1

Definitions

To serve as a sign or signal indicating potential danger or trouble.

figuratively, informal

CEFR level

C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.

See also

raise someone's consciousness raise someone's hackles raise someone's shackles raise someone's shag raise someone's spirits raise steam

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