red flag
red
rɛd
red
flag
flæg
flāg

Definition & Meaning of "red flag"in English

Red flag
01

something that irritates or demands immediate action 

Grammatical Information
Animacy status
Abstract
Composition
Compound
Countable
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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