raise red flags

verb

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

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Meanings

verbraise red flags (third-person singular simple present raises red flags, present participle raising red flags, simple past and past participle raised red flags)

present singular third person raises red flags · participle present raising red flags · participle past raised red flags · past raised red flags · alternative raise a red flag · alternative raise flags · alternative raise a flag

  1. figurativelyinformalTo serve as a sign or signal indicating potential danger or trouble.
Cite this entry
APA

raise red flags. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/raise%20red%20flags

MLA

“raise red flags.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/raise%20red%20flags. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “raise red flags,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/raise%20red%20flags.

Source: raise red flags on Wiktionary, CC BY-SA 4.0.