(adv) in an unwarrantable manner or to an unwarranted degree, Example:in this painting, the relationship of the upper part of the body to the lower is uneasy and the right thigh seems unwarrantably stressed
a. Not warrantable; indefensible; not vindicable; not justifiable; illegal; unjust; improper. -- Un*war"rant*a*ble*ness, n. -- Un*war"rant*a*bly, adv. [ 1913 Webster ]