punctuality UK /pʌŋktjʊˈæləti/US /ˌpʌŋkt͡ʃuˈæləti/ noun1 •The state of being punctualYou were punctual to your appointment: punctuality is the first of virtues, and a sign of pretty behaviour in a young man. I foresee that you will succeed! — 1837 formspunctualities