Alert and Unvigilant

Opposite meaning words

Alert adjective - Engaged in or accustomed to close observation.

Usage example: alert enough to spot the opportunity when it came

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Unvigilant is an antonym for alert.

Nearby Words: alertness, alerted, alerting, alerter

Unvigilant adjective - Not alert to what is potentially dangerous.

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Alert is an antonym for unvigilant.

Cite this Source

Unvigilant and Alert. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/alert/unvigilant

Alert & Unvigilant. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/alert/unvigilant>.

Unvigilant or Alert. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/alert/unvigilant.

Google Ngram Viewer shows how "alert" and "unvigilant" have occurred on timeline