unthankful: Meaning and Definition of

un•thank•ful

Pronunciation: (un-thangk'ful), [key]
— adj.
  1. not thankful; ungrateful.
  2. not repaid with thanks; thankless: an unthankful task.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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