ひょんな
Meanings
Pre-noun adjectival
1. strange; unexpected; (by) chance; unusual; curious
Examples3
Yesterday I stumbled across a copy of my father's family register.
I tumbled on the truth by the merest accident, when I'd pretty nearly chucked the whole job.
I came to know the man who is now my husband through e-mail; from an acquaintanceship started in that odd way, before a month had passed, we found ourselves resolving to get married.