While thus unmindful of his steps he stumbled.    From Wordnet, Princeton University. 

Adjective : unmindful of obligations.    From Dictionary.com. 

But so unmindful is she of her own interest, that she seems in part to have lost her very being, so forgetful is she of herself.    From Wordnik.com.  [The Letters of St. Teresa] Reference

"unmindful" was printed as "unmindul" of gauging the quantity of water traveling along an important drain.    From Wordnik.com.  [Farm drainage The Principles, Processes, and Effects of Draining Land with Stones, Wood, Plows, and Open Ditches, and Especially with Tiles] Reference

I'm not unmindful of the kindness you've all shown me here, however.    From Wordnik.com.  [The Fifth Ace] Reference

Suma followed her in a prodigious leap, unmindful of her own safety.    From Wordnik.com.  [The Black Phantom] Reference

The other girls chattered away, apparently unmindful of her abstraction.    From Wordnik.com.  [Peggy-Alone] Reference

The only way, then, was to go straight ahead as if unmindful of all dangers.    From Wordnik.com.  [The Life of Abraham Lincoln] Reference

Forget not thy friend in thy mind, and be not unmindful of him in thy riches.    From Wordnik.com.  [The Bible, Douay-Rheims, Book 26: Ecclesiasticus The Challoner Revision] Reference

But the Doctor pursued the even tenor of his way, entirely unmindful of them.    From Wordnik.com.  [Red-Tape and Pigeon-Hole Generals As Seen From the Ranks During a Campaign in the Army of the Potomac] Reference

Terry, unmindful of the chill breeze, remained in the doorway, deep in thought.    From Wordnik.com.  [Terry A Tale of the Hill People] Reference

It is open, flexible and adventurous, often unmindful of history and tradition.    From Wordnik.com.  [How Long Will America Lead the World?] Reference

Caught up to exalted emotional heights, the beholder becomes unmindful of fatigue.    From Wordnik.com.  [The Life Radiant] Reference

One cannot stand in this presence and be unmindful of the tremendous responsibility.    From Wordnik.com.  [US Presidential Inaugural Addresses] Reference

Hanoi was not unmindful: by midmorning, the shelling at Tan Son Nhut Airport had stopped.    From Wordnik.com.  [The Last Days Of Saigon] Reference

Europe -- Europe, which, unmindful of the martyrs, had permitted the massacre of the vanquished.    From Wordnik.com.  [The French Immortals Series — Complete] Reference

"No, it's of no use calling even him," persisted Salina, unmindful of both thunder and lightning.    From Wordnik.com.  [The Old Homestead] Reference

"It just matches a lullaby I made up yesterday," continued Allee, unmindful of Peace's criticism.    From Wordnik.com.  [Heart of Gold] Reference

I replied, mindful only of the fact that she had spoken; unmindful of the import of what she said.    From Wordnik.com.  [Princess Zara] Reference

H.F. F.ench's Drainage 376 the page number was printed as "374" unmindful of their obligations to him.    From Wordnik.com.  [Farm drainage The Principles, Processes, and Effects of Draining Land with Stones, Wood, Plows, and Open Ditches, and Especially with Tiles] Reference

“I am not unmindful that some of you have come here out of great trials and tribulations,” he says.    From Wordnik.com.  [Beck, King and nonviolence] Reference

In the day of good things be not unmindful of evils: and in the day of evils be not unmindful of good things.    From Wordnik.com.  [The Bible, Douay-Rheims, Book 26: Ecclesiasticus The Challoner Revision] Reference

'As much of a princess!' both unmindful that no word had been spoken to token who was in the thought of each.    From Wordnik.com.  [The Continental Monthly, Vol 6, No 5, November 1864 Devoted To Literature And National Policy] Reference

There was ever so much candy too, and she wanted only to sit down and eat it, unmindful of Katie's remonstrances.    From Wordnik.com.  [The Angel Children or, Stories from Cloud-Land] Reference

Vincart farm, as unmindful of the dew that tarnished his shoe-buckles as of the thorns which attacked his calves.    From Wordnik.com.  [The French Immortals Series — Complete] Reference

Apparently unmindful of the child's presence, Mary stood still, staring thoughtfully up and down the moonlit street.    From Wordnik.com.  [Marjorie Dean High School Sophomore] Reference

There she knelt, unmindful of the dinner waiting downstairs, unmindful of the bright day that was droning on its hours.    From Wordnik.com.  [Marcia Schuyler] Reference

Lord Farquhart still sat quite unmoved, seemingly as indifferent as ever to the world, apparently unmindful of his champion.    From Wordnik.com.  [Ainslee's, Vol. 15, No. 6, July 1905] Reference

He may not always think best to reward so signally those who give to him, but he is never unmindful of the humblest gift or giver.    From Wordnik.com.  [Stories Worth Rereading] Reference

Hippy accepted the invitation promptly, and followed Nora to the end of the veranda, unmindful of Tom Gray's jeers about idle curiosity.    From Wordnik.com.  [Grace Harlowe's Third Year at Overton College] Reference

"You are far from your castle, my Lord of Hochfels," commented the jester, absently, unmindful of a question he felt not called upon to answer.    From Wordnik.com.  [Under the Rose] Reference

Hence, therefore, while experience may arm the judgment with a general rule, such generality should not render us unmindful of the possible exception.    From Wordnik.com.  [Surgical Anatomy] Reference

Nor are any of us, I am sure, even during this unfortunate crisis, unmindful of the hospitality and inspiration which we have received in the schools of the enemy.    From Wordnik.com.  [The Better Germany in War Time Being some Facts towards Fellowship] Reference

Avoiding the bewildered reproach in Jim Baggott's honest eyes, and unmindful of the lawyer's congratulatory hand, Gentleman Geoff's Billie turned and went out of the door.    From Wordnik.com.  [The Fifth Ace] Reference

Towards evening countless fires, fed by the dry bushes found in abundance upon the old fields of Virginia, showed that amidst war's alarms the men were not unmindful of coffee.    From Wordnik.com.  [Red-Tape and Pigeon-Hole Generals As Seen From the Ranks During a Campaign in the Army of the Potomac] Reference