inexplicably
adv. manner B2 Upper Intermediate US //ˌɪnɪksˈpɫɪkəbɫi// UK //ˌɪnɛksplˈɪkəbli// in·ex·pli·ca·bly
adv. in a way that is impossible to explain or understand. You use this when something happens for no clear reason.
adv. in a manner that cannot be explained, accounted for, or understood.
The car inexplicably stopped in the middle of the road.
After years of successful operation, the local bakery inexplicably closed its doors without any warning to the staff.
The ancient manuscript, which had been kept under strict security for decades, inexplicably vanished from its display case during the briefest lapse in surveillance.
Usage
Typically placed before the verb it modifies or at the beginning of a sentence for emphasis.