listen to the pronunciation of happenstance
İngilizce - Türkçe
{i} beklenmedik durum
{i} tesadüf
{i} rastlantı
İngilizce - İngilizce
A chance or random event or circumstance
The chance or random quality of an event or circumstance

James Bond: Once is happenstance, twice is coincidence, three times is enemy action.

If you say that something happened by happenstance, you mean that it happened because of certain circumstances, although it was not planned by anyone. I came to live at the farm by happenstance. chance, or something that happens by chance (happen + circumstance)
The chance or random quality of an event or circumstance; often in the phrase by happenstance
an event that might have been arranged although it was really accidental
{i} chance occurrence
plural of happenstance