English

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Etymology

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From Middle English unthankful, from Old English unþancful, unþancfull, unġeþancfull (unthankful, ungrateful), equivalent to un- +‎ thankful. Cognate with Old High German undankfol (unthankful, ungrateful).

Adjective

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unthankful (comparative more unthankful, superlative most unthankful)

  1. Not thankful; ungrateful.

Derived terms

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Translations

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