Unaccountable
Pronunciation : Un`ac*count"a*ble
Part of Speech : a.
Definition : 1. Not accountable or responsible; free from control. South.
2. Not to be accounted for; inexplicable; not consonant with reason or rule; strange; mysterious. -- Un`ac*count"a*ble*ness}, n. -- Un`ac*count"a*bly, adv.
Source : Webster's Unabridged Dictionary, 1913