punc ‧ tu ‧ al /ˈpʌŋktʃuəl/ BrE AmE adjective formal
[ Date: 1300-1400 ; Language: Medieval Latin ; Origin: punctualis , from Latin punctum ; ⇨ ↑ point 1 ]
arriving, happening, or being done at exactly the time that has been arranged SYN on time :
She’s always very punctual for appointments.
the punctual payment of invoices
—punctually adverb
—punctuality /ˌpʌŋktʃuˈæləti, ˌpʌŋktʃuˈælɪti/ noun [uncountable]