un·​thankful | \ "+ \

Definition of unthankful

1 : not such as to call for thanks : disagreeable, thankless, unpleasant an unthankful assignment
2 : not giving thanks : unappreciative an unthankful child

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Other Words from unthankful

unthankfully \ "+ \ adverb
unthankfulness noun

History and Etymology for unthankful

Middle English, from un- entry 1 + thankful

Keep scrolling for more

Learn More about unthankful

Statistics for unthankful

Cite this Entry

“Unthankful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unthankful. Accessed 28 Oct. 2020.

More from Merriam-Webster on unthankful

Nglish: Translation of unthankful for Spanish Speakers

Comments on unthankful

What made you want to look up unthankful? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Namesakes Word Quiz

  • a citrus fruit possibly named after a person
  • Which of the following is a fruit named after a Moroccan seaport?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!