Alert and Preoccupied

Alert

Alert adjective - Paying close attention usually for the purpose of anticipating approaching danger or opportunity.
Usage example: she needed to stay alert throughout the train ride so as not to miss her stop

Preoccupied is an antonym for alert.

Nearby Words: alertness, alerted, alerting, alerter

Preoccupied

Preoccupied adjective - Lost in thought and unaware of one's surroundings or actions.
Usage example: too preoccupied with her worries to enjoy the meal

Alert is an antonym for preoccupied.

Nearby Words: preoccupy, preoccupying
Cite this Source
Preoccupied and Alert. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/alert/preoccupied
Alert & Preoccupied. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/alert/preoccupied>.
Preoccupied or Alert. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/alert/preoccupied.
Google Ngram Viewer shows how "alert" and "preoccupied" have occurred on timeline