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Uncommonred flag
The correct spelling is red flag.
How to pronounce red flag
noun
Say it like: Red- fl-ag
The correct spelling is red flag. A cue, warning, or alert; a sign or signal that something is wrong. For example: "Improper formatting is a red flag to look for other problems with the data."
Usage Examples
“Improper formatting is a red flag to look for other problems with the data.”
Definition
noun
- 1.A cue, warning, or alert; a sign or signal that something is wrong.
- 2.In the United Kingdom and some other countries, a flag formerly used by a railway guard to warn the driver not to start the train.
- 3.A common symbol, usually in the form of a banner, for leftist revolutionary ideologies, especially socialism.
Similar words
Words related in meaning — check their spelling too.