Simple Definition of red flag
: a warning sign : a sign that there is a problem that should be noticed or dealt with
Full Definition of red flag
1 : a warning signal
2 : something that attracts usually irritated attention
Examples of red flag in a sentence
Gaps in your employment history are red flags to employers.
<the résumé she accidentally left on the office printer was a red flag that she was planning to quit>
First Known Use of red flag
Seen and Heard
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