observant

US /əbˈzə:vənt/

UK /əbˈzɜ:vənt/

B1

adjective

  • Quick to notice things
  • Paying close attention to details; meticulous.
  • Careful to keep or obey laws, customs, etc.
  • Strictly following religious customs or rules
  • Quick to notice things.
  • Paying close attention especially to details