undutiful

1 of 2

adjective

un·du·ti·ful ˌən-ˈdü-ti-fəl

-ˈdyü-

Synonyms of undutiful next

: not dutiful

undutifully

ˌən-ˈdü-ti-fə-lē

-ˈdyü-

adverb

undutifulness noun

undutifulness

2 of 2

noun

un·du·ti·ful·ness

: the quality or state of being undutiful

Word History

First Known Use

Adjective

1582, in the meaning defined above

Time Traveler

The first known use of undutiful was in 1582

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unduteous

undutiful

undutifully

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Style

“Undutiful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undutiful. Accessed 18 Jun. 2026.

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undutiful

adjective

noun

Word History

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