inexplainable


in·ex·plain·a·ble

I0123200 (ĭn′ĭk-splā′nə-bəl)adj. Difficult or impossible to explain; inexplicable.
in′ex·plain′a·bly adv.

in•ex•plain•a•ble

(ˌɪn ɪkˈspleɪ nə bəl)

adj. incapable of being explained; inexplicable. [1615–25]