Observant

ob·serv·ant

əbˈzərvənt/

adjective

adjective: observant

1. 1.

   quick to notice things.

   "her observant eye took in every detail"

   synonyms:

   alert, sharp-eyed, sharp, eagle-eyed, hawk-eyed, having eyes like a hawk, watchful, heedful, aware; More on the lookout, on the qui vive, on guard, attentive, vigilant, having one's eyes open/peeled; informalbeady-eyed, not missing a trick, on the ball "the farmer whose weather eye has been usurped by the radio has become less observant"

   antonyms:

   inattentive

2. 2.

   adhering strictly to the rules of a particular religion, especially Judaism.

   synonyms:

   practicing, obedient, conforming, conformist; More law-abiding, orthodox, devout "observant Jews"

noun

historical

noun: Observant; plural noun: Observants

1. 1.

   a member of a branch of the Franciscan order that followed a strict rule.