Alert and Red flag

Alert

Alert noun - The act or an instance of telling beforehand of danger or risk.

Red flag and alert are semantically related. In some cases you can use "Red flag" instead a noun "Alert".

Nearby Words: alertness, alerted, alerting, alerter

Red flag

Red flag noun - A flag that serves as a warning signal.
Usage example: we didn't swim at the beach because the red flag was up
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Synonyms for Red flag

Alert and red flag are semantically related. Sometimes you can use "Alert" instead a noun phrase "Red flag".
Cite this Source
Red flag and Alert. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/alert/red_flag
Alert & Red flag. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/alert/red_flag>.
Red flag or Alert. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/alert/red_flag.
Google Ngram Viewer shows how "alert" and "red flag" have occurred on timeline