observant

/əbˈzɜrvənt/
adjective
  1. Quick to notice things; paying close attention to details.
    • The observant student noticed the typo in the instructions.
    • An observant hiker spotted the rare bird hiding in the bushes.
    • My grandmother is very observant and always knows when something is wrong.
  2. Carefully following rules, customs, or religious practices.
    • He is an observant Muslim who prays five times a day.
    • The observant driver always obeys the speed limit.
    • She is observant of the school's dress code every day.
Antonyms
What does "observant" mean? | whatsthatwordmean | whatsthatwordmean