Meaning : 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.
Unwarrantably ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Unwarrantably ka matlab kya hota hai?