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 ...