Onerous
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
A contract, lease, share, or other right is said to be "onerous" when the obligations attaching to it counterbalance or exceed the advantage to be derived from it, either absolutely or with reference to the particular possessor. Rapalje & L.