observant

1 paying close attention usually for the purpose of anticipating approaching danger or opportunity if you were more observant, you would perceive that something is troubling her deeply Synonyms Argus-eyed, attentive, awake, alert, open-eyed, tenty (also tentie) [Scottish], vigilant, watchful, wide-awakeRelated Words alive, aware, conscious, sensitive; cognizant, heedful, keen, mindful, observing, regardful, sharp, sharp-eyed; hyperalert, hypervigilant, sleepless, wakeful; careful, cautious, chary, wary; prepared, readyNear Antonyms absent, absentminded, absorbed, abstracted, daydreaming, dazed, distracted, dreaming, dreamy, engrossed, faraway, insensible, oblivious, preoccupied; sleeping, unaware, unconscious, unknowing, unwitting; careless, heedless, inattentive, unheeding, unmindful, unthinking, unwary; unprepared, unreadyAntonyms asleep

2 having the mind fixed on something observant viewers will notice that the position of hero’s facial wound changes in the course of the scene Synonyms absorbed, deep, engrossed, enthralled, focused (also focussed), immersed, intent, attentive, raptRelated Words engaged, interested, intrigued, involved; hypnotized, mesmerized; alert, alive, conscious, open-eyed, watchful, wide-awakeNear Antonyms daydreaming, dreamy, faraway, foggy, hazy, lost, oblivious, preoccupied, remote; apathetic, disinterested, uninterestedAntonyms absent, absentminded, abstracted, distracted, inattentive, inobservant, unabsorbed, unfocused (also unfocussed)