Synonyms and Antonyms of thankless
1 not showing gratitude <a thankless boss who seems oblivious to the extra effort his subordinates have made> Synonyms unappreciative, ungrateful Related Words rude, thoughtless, ungracious Near Antonyms beholden, indebted; gratified, pleased; courteous, gracious, thoughtful Antonyms appreciative, grateful, obliged, thankful
2 not likely to be appreciated by those who benefit <the thankless job of cleaning up after a party> Synonyms unappreciated, ungrateful Related Words uncredited, underappreciated, underrated, undervalued, unnoticed, unrecognized, unrewarded, unsung, unvalued Near Antonyms credited, esteemed, honored, prized, recognized, regarded, rewarded, valued; creditable, meritorious, praiseworthy Antonyms appreciated
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