/ ˈpʌŋktʃuəl; NAmE / adjective
happening or doing sth at the arranged or correct time; not late :
She has been reliable and punctual.
a punctual start at 9 o'clock
► punc·tu·al·ity / ˌpʌŋktʃuˈæləti; NAmE / noun [ U ]
► punc·tu·al·ly / ˈpʌŋktʃuəli; NAmE / adverb :
They always pay punctually.
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WORD ORIGIN
late 17th cent.: from medieval Latin punctualis , from Latin punctum a point.