Thankless [adjective]
Definition of Thankless:
unappreciated
Sentence/Example of Thankless:
I love them dearly; no people could ever be kinder to a thankless creature than they always are to me.
Benson undertook the thankless task of undeceiving the public.
The trade of a basket-maker, when followed in such a manner, is a thankless one.
Law-enforcement is a thankless job whether on Earth or on Mars.
Art, then, so thankless as to deny me the first thing I ask of thee?
The middle course is the most difficult one to take and the most thankless.
It may be a thankless task, but it is one that some of us are standing by.
I love you, and you would be thankless indeed if you ceased to love me.
Such a thankless, heartless departure was enough to put any man out.
What could she be about when, with London a thankless void, she was of course not paying visits?