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Synonyms

unthankful

American  
[uhn-thangk-fuhl] / ʌnˈθæŋk fəl /

adjective

  1. not thankful; ungrateful.

  2. not repaid with thanks; thankless.

    an unthankful task.

Other Word Forms

Etymology

Origin of unthankful

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For Love and Youth were vext with doubt, Like ships on driving seas, And in those days the heart gave out Unthankful similes.

From The Poems of Henry Kendall With Biographical Note by Bertram Stevens by Kendall, Henry

Unthankful as you are, I know not why, But still I love too well, to see you die.

From Dryden's Works Vol. 3 (of 18) Sir Martin Mar-All; The Tempest; An Evening's Love; Tyrannic Love by Dryden, John

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.