pre-noun adjectival
strange; unexpected; by chance
Describes something odd, unforeseen, or coincidental that happens unexpectedly. Often used in set phrases like ひょんなことから (by a strange coincidence) or ひょんな縁 (an unexpected connection).
See also: 思いがけない
ひょんなことから、昔の友達と再会した。
By a strange coincidence, I ran into an old friend.
ひょんな縁で、彼と知り合った
We got to know each other through an unexpected connection.