Adjective : a dutiful citizen; a dutiful child. ,dutiful attention.    From Dictionary.com. 

But Barber manages to shrug the portrayals off as merely 'undutiful'.    From Wordnik.com.  [Home | Mail Online] Reference

He called her undutiful and dishonorable.    From Wordnik.com.  [Dame Care] Reference

I have no pleasure in talking to undutiful children.    From Wordnik.com.  [Pride and Prejudice] Reference

A pretty parson, truly, to side with an undutiful child!.    From Wordnik.com.  [The History of Tom Jones, a Foundling] Reference

'Now, mother, we mustn't let that undutiful girl upset us.    From Wordnik.com.  [Gladys, the Reaper] Reference

“Laura, that is uncourteous — not to say undutiful also.”.    From Wordnik.com.  [Phineas Finn] Reference

Heart; see thou bring'st the Tears in mine to think of thy undutiful.    From Wordnik.com.  [The Busie Body] Reference

“I did not expect that you would have been so undutiful,” she said.    From Wordnik.com.  [Castle Richmond] Reference

"It is very undutiful indeed, and I hope that I shall hear no more of it.".    From Wordnik.com.  [A True Friend A Novel] Reference

I went away undutiful enough, and have come back no better, you may swear.    From Wordnik.com.  [Dombey and Son] Reference

Show me a child undutiful, I shall know where to look for a foolish father.    From Wordnik.com.  [The Christian Home] Reference

And she deemed herself not undutiful, nor lacking in filial amity, for so doing.    From Wordnik.com.  [A Fool There Was] Reference

I fear he had disobeyed his parents when he galloped away on that undutiful journey.    From Wordnik.com.  [The Virginians] Reference

CHAP.X. Mrs. Martin greatly distressed by William's thoughtless and undutiful conduct.    From Wordnik.com.  [The Eskdale Herd-boy A Scottish Tale for the Instruction and Amusement of Young People] Reference

One letter he begins by bitter complaints of their 'most undutiful son,' his 'obstinacy' and.    From Wordnik.com.  [Devon, Its Moorlands, Streams and Coasts] Reference

"Because," she answered lightly, "you've already discovered what an undutiful daughter I am.".    From Wordnik.com.  [The English Witch]

As the son grew a young man, he turned out riotous, extravagant, undutiful, — altogether bad.    From Wordnik.com.  [Great Expectations] Reference

Maybe Daddy hadn't told Mama she'd turned up again, especially since she was being so undutiful?.    From Wordnik.com.  [Music to My Sorrow]

I have, I confess, been guilty of an action which carries with it a rash and undutiful appearance.    From Wordnik.com.  [Clarissa Harlowe] Reference

I don't know what you do mean; but I'm glad to hear you are not so undutiful as I thought you were.    From Wordnik.com.  [Sarah's School Friend] Reference

Mr.. Elliott's repugnance at seeing her undutiful grandson causes her departure to Mr. Armstrong's.    From Wordnik.com.  [The Eskdale Herd-boy A Scottish Tale for the Instruction and Amusement of Young People] Reference

I love you, dear, and I am not undutiful, and I will do whatever you ask me; but I want to be with you.    From Wordnik.com.  [In Direst Peril] Reference

And too late, as it probably may happen, she will see and lament her fatal, and, perhaps, undutiful error.    From Wordnik.com.  [Pamela] Reference

I had much rather have reason to think others unkind, than that they should have any to think me undutiful.    From Wordnik.com.  [Clarissa Harlowe] Reference

Lady Shelley slurs over the undutiful boyhood of the poet and the terrible sternness of his Mirabeau-father.    From Wordnik.com.  [The Atlantic Monthly, Volume 06, No. 33, July, 1860] Reference

From my undutiful relatives there was no hope; the abominable Silesian project was evidently their ultimatum.    From Wordnik.com.  [Blackwood's Edinburgh Magazine - Volume 62, No. 384, October 1847] Reference

It would be undutiful in me to leave her first — and then I get an opportunity to pursue our correspondence.    From Wordnik.com.  [Clarissa Harlowe] Reference

That undutiful and perverse children make bad husbands and wives: And, collaterally, bad masters and mistresses.    From Wordnik.com.  [Pamela] Reference

Come not near us, if you have resolve to be undutiful: but this, after what I have written, I hope you cannot be.    From Wordnik.com.  [Clarissa Harlowe] Reference

This undutiful son and his brother Fafnir conspired against their sire, slew him, and took possession of the gold.    From Wordnik.com.  [The Mysteries of All Nations Rise and Progress of Superstition, Laws Against and Trials of Witches, Ancient and Modern Delusions Together With Strange Customs, Fables, and Tales] Reference

Obstinate, perverse, undutiful Clarissa! with a rejecting hand, and angry aspect; then take your own way, and go up! —.    From Wordnik.com.  [Clarissa Harlowe] Reference

"Confound Mrs, Dana!" was the son's comment, for upon the subject of his father's second marriage he was distinctly undutiful.    From Wordnik.com.  [Idle Hour Stories] Reference

It is not a rare occurrence to see just retribution visited upon parents who in their day were undutiful, unworthy and unnatural children.    From Wordnik.com.  [Explanation of Catholic Morals A Concise, Reasoned, and Popular Exposition of Catholic Morals] Reference

Even mothers become vexed exceedingly with undutiful children; but this care of Mat for his worthless master exceeded even that of a mother for her child.    From Wordnik.com.  [Hubert's Wife A Story for You] Reference

That he spent much I know; but I am inclined to think that his undutiful conduct occasioned my great-grandfather to bequeath a part of his property from him.    From Wordnik.com.  [The Mirror of Taste, and Dramatic Censor, Vol. I, No. 5, May 1810] Reference

When any of the children are undutiful and likely to give the widow trouble, this placing her in his own position gives her the needed power over the unruly.    From Wordnik.com.  [The Girl's Own Paper, Vol. VIII. No. 358, November 6, 1886.] Reference