“+ adjective
Etymology: Middle French, from Latin inexplicabilis, from in- in- (I) + explicabilis explicable — more at explicable
1. obsolete : incapable of being unfolded or unraveled : inextricable
2. : not explicable : incapable of being explained, interpreted, or accounted for
inexplicable action
inexplicable mystery
• in·ex·plica·ble·ness -uə̇s noun -es
• in·ex·plica·bly -blē, -bli adverb