RED FLAG Synonyms: 28 Similar and Opposite Words

red flag

noun

as in red light

something that tells of approaching danger or risk the résumé she accidentally left on the office printer was a red flag that she was planning to quit

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of red flag Early red flag warnings Fire danger is increasing earlier than usual this year due to warm, dry weather and early fuel drying, Steve Pastis reports. —

Kristin Scharkey, USA Today, 29 May 2026 Democrats say Dhillon's role raises red flags, but legal experts who spoke to NPR say the decision makes sense. —

Ava Berger, NPR, 29 May 2026 One investigation examined the business and financial records of every hospice currently operating in Los Angeles County, applying the same indicators identified by state auditors as potential red flags for fraud. —

Laura Geller, CBS News, 27 May 2026 Altwer’s opponents have strengths, but also some red flags. —

Mercury News Editorial Board, Mercury News, 27 May 2026 See All Example Sentences for red flag

Recent Examples of Synonyms for red flag

Noun

Ukrainian President Volodymyr Zelensky on Monday had reiterated his warning to citizens of a possible large-scale Russian strike.

— Helen Regan, CNN Money, 2 June 2026
Thousands of residents of Kyiv were taking refuge inside metro stations and other shelters after air raid warnings.

— Reuters, NBC news, 2 June 2026