a close attentiveness to avoiding danger <drove through the fog with extra alertness, as the road signs repeatedly warned of deer and moose crossings> Synonyms alertness
the state of being constantly attentive and responsive to signs of opportunity, activity, or danger <we observed the U.S. border patrol's intensified alertness for drug smugglers at the border stations> Related Words aliveness
Near Antonyms absentmindedness
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