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
RED FLAG Defined for English Language Learners
Definition of red flag for English Language Learners
: a warning sign : a sign that there is a problem that should be noticed or dealt with
Seen and Heard
What made you want to look up red flag? Please tell us where you read or heard it (including the quote, if possible).