Unappreciated, Unrewarded, Generally of a Task
This page is the CodyCross answer for the clue below from Airport, Group 453, Puzzle 5 (Frequent Flyer).
Question is: Unappreciated, Unrewarded, Generally of a Task
and the answer is: THANKLESS
Word Meaning:
THANKLESS — (of a task) Not appreciated or rewarded.
Definitions from Wiktionary.