raise a red flag

A form of raise red flags — To serve as a sign or signal indicating potential danger or trouble.

Meanings

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

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

  1. alternativeAlternative form of raise red flags.
Cite this entry
APA

raise a red flag. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/raise%20a%20red%20flag

MLA

“raise a red flag.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/raise%20a%20red%20flag. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “raise a red flag,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/raise%20a%20red%20flag.

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