What does "red flag" mean?
"Red flag" means a warning sign that something is wrong or risky. Here's how it's used in work, relationships, and everyday conversation.
What it means
A warning sign or signal that something is wrong, risky, or potentially problematic. A red flag indicates you should pay attention and investigate further.
"That contract clause is a major red flag."
"Her evasive answers during the interview were red flags."
"I ignored all the red flags early on."
Where it comes from
Red flags are literally warning signals - used at beaches, motor races, and military contexts to signal danger. The metaphor transferred to any situation where a warning sign appears.
Degrees of severity
A "red flag" can be anything from a minor concern to a serious warning. Context tells you how urgent it is. "A bit of a red flag" = a concern. "A massive red flag" = a serious warning.
Recently
The term has expanded significantly in relationship and dating contexts - people discuss "red flags" in potential partners constantly. "Green flags" (positive signs) emerged as the opposite.
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Casual to professional. Now ubiquitous in all contexts.
What does "red flag" mean?
A warning sign or signal that something is wrong, risky, or potentially problematic. A red flag indicates you should pay attention and investigate further.
"That contract clause is a major red flag."
"Her evasive answers during the interview were red flags."
"I ignored all the red flags early on."
Is "red flag" formal or informal?
Casual to professional. Now ubiquitous in all contexts.
Why do native speakers say "red flag"?
Red flags are literally warning signals - used at beaches, motor races, and military contexts to signal danger. The metaphor transferred to any situation where a warning sign appears.
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