Bible Dictionaries
Thankless

Webster's Dictionary

(1):

(a.) Not obtaining or deserving thanks; unacceptable; as, a thankless task.

(2):

(a.) Not acknowledging favors; not expressing thankfulness; unthankful; ungrateful.

Bibliography Information
Webster, Noah. Entry for 'Thankless'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/thankless.html. 1828.