Red-flag meaning

redflag
Frequency:
(informal) Something serving as a warning of trouble or danger ahead.
noun
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The definition of a red flag is something that gives a warning of trouble.

An example of a red flag is when a series of numbers don't add up which could be because one of the numbers is listed incorrectly.

noun
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(informal) Something that arouses anger, irritation, revolt, etc.
noun
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Something that demands attention or provokes an irritated reaction.
noun
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A warning signal.
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A warning flag.
noun
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To mark, designate, or otherwise call attention to as being risky, unsuitable, etc.
verb
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(idiomatic) A cue, warning, or alert; a sign or signal that something is wrong.

Improper formatting is a red flag to look for other problems with the data.

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