na-adjective
Describes a person or action that is strictly on time. A straightforward loanword used in modern Japanese, often in formal or business contexts.
彼はいつもパンクチュアルで、約束の時間に遅れたことがない。
He is always punctual and has never been late for an appointment.
会議はパンクチュアルに始まった。
The meeting started punctually.