Meaning & Definition
noun
A piece of cloth or other material, typically rectangular and attached by one edge to a pole or rope, used as a symbol or signal.
The country raised its national flag in celebration of independence.
A signal for attention or warning, especially in a specific context such as sports or maritime.
The referee waved a red flag to indicate a foul play.
A symbol or emblem representing a specific organization or cause.
The rainbow flag is a symbol of the LGBTQ+ rights movement.
verb
To mark something for attention or as a warning.
They decided to flag the suspicious email for further review.
To lower (a flag) as a sign of respect or surrender.
The ship's crew was ordered to flag the colors to show adherence to the maritime tradition.
To signal or indicate something.
The assistant waved her hand to flag the taxi.
Etymology
Middle English flagge, from Old Norse flǫgg
Common Phrases and Expressions
flag down:
To signal a vehicle to stop.
raise the flag:
To announce or declare something.
flag on the play:
A penalty in sports, especially football.
Slang Meanings
To flag something means to report it or draw attention to it.
If you see something suspicious, flag it immediately.
To lose energy or enthusiasm.
After hours of work, I started to flag and needed a break.