one of two parts of the body used for seeing

judgment, opinion

to stare at (a person) (suggesting sexual attraction or longing)

stare

a thorough and detailed examination

close examination

to look (at a person, thing) with wide eyes and a fixed look; a staring look

gape, watch

a close watch kept on a place, a person suspected of doing wrong etc

close observation, following

(an act of) staying awake to keep watch or to pray

watch