târziu

In a sentence

• Am ajuns târziu la întâlnire.

  I arrived late to the meeting.

  Here, 'târziu' is used as an adverb to describe the timing of an action, indicating lateness.

• Este prea târziu să plecăm acum.

  It is too late to leave now.

  'Târziu' is utilized as an adverb specifying a condition where timing is no longer appropriate for an action.

• Într-o seară târzie, am citit o carte interesantă.

  On a late evening, I read an interesting book.

  In this case, 'târzie' acts as an adjective describing 'seară' (evening), referring to it being late in time.