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unthankful

[ uhn-thangk-fuhl ]
/ ʌnˈθæŋk fəl /
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adjective
not thankful; ungrateful.
not repaid with thanks; thankless: an unthankful task.
QUIZ
SHALL WE PLAY A "SHALL" VS. "SHOULD" CHALLENGE?
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?

Origin of unthankful

Middle English word dating back to 1350–1400; see origin at un-1, thankful

OTHER WORDS FROM unthankful

un·thank·ful·ly, adverbun·thank·ful·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use unthankful in a sentence

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