red flag
Pronunciation
/ɹˈɛd flˈæɡ/

Definition & Meaning of "red flag"in English

Red flag
01

something that irritates or demands immediate action

Grammatical Information
Animacy status
Inanimate
Plural form
red flags
02

a red colored flag used to warn one of danger or as a signal that one must stop

2.1

a warning sign in a potential partner that indicates problematic or unhealthy behavior

Examples
Ignoring your opinions is a huge red flag.
03

the emblem of socialist revolution

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