Webster's Revised Unabridged Dictionary · 1913

Tragi-comic

Tragi-comic , adjective

[Compare French tragi-comique.]

Of or pertaining to tragi-comedy; partaking of grave and comic scenes.
Julian felt toward him that tragi-comic sensation which makes us pity the object which excites it not the less that we are somewhat inclined to laugh amid our sympathy. — Sir W. Scott

Also: Tragi-comical