observant
adjective
[ əbˈzəːv(ə)nt ]
• quick to notice or perceive things.
• "her observant eye took in every detail"
Similar:
alert,
sharp-eyed,
sharp,
eagle-eyed,
hawk-eyed,
with eyes like a hawk,
keen-eyed,
watchful,
on the lookout,
on the qui vive,
on guard,
attentive,
vigilant,
awake,
heedful,
mindful,
focused,
aware,
beady-eyed,
not missing a trick,
on the ball,
regardful,
• adhering strictly to the rules of a particular religion, especially Judaism.
• "an observant Jew"
observant
noun
• a member of a branch of the Franciscan order that followed a strict rule.
Origin:
late Middle English (as a noun): from French, literally ‘watching’, present participle of observer (see observe).