(ʌnˈpʌŋktjʊəl) adjnot doing something or arriving somewhere at the right time; often lateThesaurus
Adj.
1.
unpunctual - not punctual; after the appointed timepunctual - acting or arriving or performed exactly at the time appointed; "she expected guests to be punctual at meals"; "he is not a particularly punctual person"; "punctual payment"