Dating & relationships

Red flag

noun

A red flag is a warning sign that someone may be trouble to date or trust.

What does “Red flag” mean?

A red flag is a warning sign that someone may be trouble to date or trust.

How to use it

  • “He was rude to the waiter — red flag.”
  • “Lying early on is a red flag.”

Frequently asked questions

What does "Red flag" mean?

A red flag is a warning sign that someone may be trouble to date or trust.