Any chance event.
Chance is defined as happening by unexplainable reasons, luck, a risk, or the likelihood of something happening.
A chance occurrence:
Happenstance is defined as coincidence or by chance.
An early game of chance played with dice, from which craps is derived
A certain indefinite number; certain ones (of)
The definition of a surprise is something unexpected or unusual.
Find another word for happenchance. In this page you can discover 9 synonyms, antonyms, idiomatic expressions, and related words for happenchance, like: accident, chance, fluke, fortuity, hap, happenstance, hazard, certain and surprise.