adjective (a)

• acting or arriving or performed exactly at the time appointed

  bersikap atau tiba atau dilakukan tepat pada waktu yang ditunjuk

  Example:
  She expected guests to be punctual at meals.
  He is not a particularly punctual person.
  Punctual payment.
  

  Antonym:
  unpunctual
  

  source: wordnet30
• Consisting in a point; limited to a point; unextended.

  consisting di titik; terbatas pada titik; unextended.

  source: webster1913