Alert and Phlegmatic
Opposite meaning words
Alert
Alert adjective - Paying close attention usually for the purpose of anticipating approaching danger or opportunity.
Phlegmatic is an antonym for alert.
Phlegmatic
Cite this Source
Phlegmatic and Alert. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/alert/phlegmatic
Alert & Phlegmatic. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/alert/phlegmatic>.
Phlegmatic or Alert. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/alert/phlegmatic.
Google Ngram Viewer shows how "alert" and "phlegmatic" have occurred on timeline