Another word for thankless

thankless
modif.
Not returning thanks
unappreciative, ungrateful, self-centered; see cruel 2, rude 2.
Not eliciting thanks
poorly paid, unappreciated, unrewarded, profitless, disagreeable, unrecognized, vain, barren, not worth it; see also useless 1.
MLA Style
"thankless." YourDictionary, n.d. Web. 18 January 2019. <https://thesaurus.yourdictionary.com/thankless>.
APA Style
thankless. (n.d.). Retrieved January 18th, 2019, from https://thesaurus.yourdictionary.com/thankless
Another word for thankless

Not showing or feeling gratitude:
unappreciative, ungrateful, unthankful, unthanking. See gratefulNot apt to be appreciated:
unappreciated, ungrateful, unthankful. See grateful
MLA Style
"thankless." YourDictionary, n.d. Web. 18 January 2019. <https://thesaurus.yourdictionary.com/thankless>.
APA Style
thankless. (n.d.). Retrieved January 18th, 2019, from https://thesaurus.yourdictionary.com/thankless