Red flag
PopularQUICK MEANING
Primary slang meaning
A warning sign suggesting danger, incompatibility or a likely problem.
EXAMPLE““Red flag,” they said, using the expression in its slang sense.”
USED BYGeneral
POPULARITYPopular
SAFETYGenerally safe
CATEGORYDating, Conversation
REGIONGlobal
TONECasual and context-dependent
ALSO WRITTEN AS
DETAILED EXPLANATION
A warning sign suggesting danger, incompatibility or a likely problem. SlangCheck classifies this entry under Dating, Conversation and records its main region as Global. Usage can shift between communities, so the surrounding sentence and tone should be considered.
REGIONAL TREND SNAPSHOT
How current is “Red flag”?
🌐Global
stable91/100 · checked 30 July 2026
🇺🇸United States
stable91/100 · checked 30 July 2026
🇦🇺Australia
stable91/100 · checked 30 July 2026
Scores are SlangCheck editorial research snapshots and are not live search-volume measurements.
EDITORIAL RESEARCH
Reviewed entry
Regional and community usage reviewed for the Stage 3 master batch.
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