Adjective : The sentry remained watchful throughout the night.    From Dictionary.com. 

Undoubtedly, they were staring persistently at my apparently unwatchful house.    From Wordnik.com.  [The Master of the World] Reference

A man of the breadth of acquaintance, of the breadth of interests, that was John Schuyler's may not fall to desuetude unwatchful.    From Wordnik.com.  [A Fool There Was] Reference

Under Jed's unwatchful eye he drew forth from the suitcase fresh underwear, clean black jeans, and a neatly pressed, long-sleeve western shirt.    From Wordnik.com.  [Jed the Dead]

He, however, was not so wholly occupied, as to be unmindful of his situation, or unwatchful of an opportunity of serving his own interests, and retaliating upon.    From Wordnik.com.  [The Italian] Reference

Have the drug smugglers and terrorists simply quit trying to enter the U.S. or have they simply been operating freely under the unwatchful and accommodating eyes of U.S. Attorney Lam and Senator Feinstein.    From Wordnik.com.  [Think Progress » NSA Whistleblower To Expose More Unlawful Activity: ‘People…Are Going To Be Shocked’] Reference

A similar usage has lately been applied to Latin American countries where, under the unwatchful eye of an American government occupied with wars in the Middle East, counter-systemic forces have been on the rise.    From Wordnik.com.  [Andrew Levine: An Ideological Construct: Out of Control and Veering Lethal] Reference

When in some moment of unguardedness I grieve the good Spirit, and become unwatchful, and in remorseful penitence I could almost weep my life away, the offering of my contrition is accepted, and there is One who heals my backsliding and soothes my fretting sorrow.    From Wordnik.com.  [The Wesleyan Methodist Pulpit in Malvern Sermons Preached at the Opening Services of the Wesleyan Methodist Chapel, in 1866] Reference

This week I have been unwatchful, -- too much cumbered; yet, oh, I hope and trust, at times, my chains are breaking, and though I must believe the bitterness will come in time, the gospel of salvation is beginning to be tasted in its sweetness, completeness, and joy.    From Wordnik.com.  [A Brief Memoir with Portions of the Diary, Letters, and Other Remains, of Eliza Southall, Late of Birmingham, England] Reference

The corridor was dark and silent but not unwatchful.    From Wordnik.com.  [A Portrait of the Artist as a Young Man] Reference

Perceived in things, where, to the unwatchful eye, 300.    From Wordnik.com.  [THE PRELUDE BOOK SECOND] Reference

He had made a feast for them and Thor had been unwatchful.    From Wordnik.com.  [The Children of Odin The Book of Northern Myths] Reference

It must not be supposed that the professor's friends were unwatchful.    From Wordnik.com.  [Blown to Bits The Lonely Man of Rakata, the Malay Archipelago] Reference

He seemed to be perfectly at ease, confident, deliberate, and unwatchful.    From Wordnik.com.  ['Drag' Harlan] Reference

The dreadful doom of the unwatchful servant is couched in terms of awful severity.    From Wordnik.com.  [Expositions of Holy Scripture : St. Matthew Chaps. IX to XXVIII] Reference

The love affair between the two flowered under the unwatchful eyes of the maddarris.    From Wordnik.com.  [Kafila] Reference

We often are made to feel the force of this truth, when we have been unwatchful, and some cross occurrence has tried our tempers.    From Wordnik.com.  [Memoir and Diary of John Yeardley]

The foundryworker, in casting the great iron supports for a bridge, is unwatchful for an instant, and a bubble of air makes a flaw.    From Wordnik.com.  [Making the Most of Life] Reference

If I have become unwatchful or careless, I should tremble at the very idea of trusting in redemption apart from holiness as its object.    From Wordnik.com.  [Holy in Christ Thoughts on the Calling of God's Children to be Holy as He is Holy] Reference

Sometimes for days he was lamblike in his obedience, touching in his muzzling affection till Weary was lulled into unwatchful love for the horse.    From Wordnik.com.  [The Lonesome Trail and Other Stories] Reference

Then there are beetles, locusts, grasshoppers, and all the rest of the army of trouble-makers who wait to steal a march on the unwatchful planter.    From Wordnik.com.  [Carl and the Cotton Gin] Reference

But the approach was made so stealthily that an entrance was effected before the careless and unwatchful inhabitants were roused from their slumber.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 7: Gregory XII-Infallability] Reference

He had a vision, that is, of her as she appeared when she believed herself to be, if not alone, then in sight of eyes that were indifferent, unwatchful.    From Wordnik.com.  [Studies in love and in terror] Reference

Now notice the form of this sleek strategist's first remark -- flung out in an easy, offhand way that would have thrown any unwatchful person off his guard.    From Wordnik.com.  [Personal Recollections of Joan of Arc — Volume 2] Reference

Even some who stand as accredited ministers are so unwatchful or unskilful that they sometimes mar the work they desire to promote by unseasonable or unwarranted communications.    From Wordnik.com.  [Memoirs of Samuel M. Janney,] Reference

He may have been crouching, just before, but now he was standing erect, looking fixedly down at the dark heap in the trail below, and his figure, alert yet unwatchful, was silhouetted sharply against the sky.    From Wordnik.com.  [The Lonesome Trail and Other Stories] Reference

While I was ready as ever to die for Mary Cavendish, and while the thought of her was as ever in my inmost soul, yet that effervescence of warlike spirit within me had rendered me not forgetful, but somewhat unwatchful of a word and a look of hers.    From Wordnik.com.  [The Heart's Highway] Reference

Look down unwatchful on the sliding Eure.    From Wordnik.com.  [The Complete Poetical Works of James Russell Lowell] Reference

Brasfort is not wont to be thus unwatchful.    From Wordnik.com.  [The Death Shot A Story Retold] Reference

Why did he feel that it was not unwatchful?.    From Wordnik.com.  [A Portrait of the Artist as a Young Man] Reference

The picture and doom of the unwatchful servant.    From Wordnik.com.  [Expositions of Holy Scripture : St. Matthew Chaps. IX to XXVIII] Reference