From Longman Dictionary of Contemporary Englishwear on phrasal verbPASS/GO PASTif time wears on, it passes very slowly, especially when you are waiting for something to happen I was feeling more tired as the night wore on. → wear→ See Verb table
Examples from the Corpus
as the ... wore on• But things grew a great deal worse as the century wore on.• Melloni uses these data to argue that the influence of Pius prevailed as the pontificate wore on.• The phone exchanges were manned by civilians, and they were being more recalcitrant in responding as the night wore on.• As the hour wore on, a kind of trance seemed to settle over the action.• Middlesbrough came more into the game as an attacking unit as the match wore on and could have won.• As the summer wore on, Fonti began to get a little frazzled.• Few hospitals had swimming pools, but as the epidemics wore on, many acquired pools of some sort.• As the morning wore on the level of vitriol rose. 