Adjective : a viewless window.    From Dictionary.com. 

Where were th 'avengers then, whose viewless might.    From Wordnik.com.  [Mosaics of Grecian History] Reference

In viewless ministry, over the fields of slaughter.    From Wordnik.com.  [How the Flag Became Old Glory] Reference

Flings with light lash the viewless hair, and tries.    From Wordnik.com.  [Progress of Society] Reference

And the breath of the South sweeps its viewless lyre.    From Wordnik.com.  [Poems of the Heart and Home] Reference

The viewless soul, the real self we love and cherish.    From Wordnik.com.  [Poems Vol. IV] Reference

That dwells in the viewless wind, and walks the waves.    From Wordnik.com.  [The Mirror of Literature, Amusement, and Instruction Volume 12, No. 338, November 1, 1828] Reference

Chased by the thronging winds whose viewless feet 4740.    From Wordnik.com.  [The Complete Poetical Works of Percy Bysshe Shelley] Reference

Elemental processes and forces are all silent and viewless.    From Wordnik.com.  [The Ascent of the Soul] Reference

The speed of the current in her veins was just then as swift as it was viewless.    From Wordnik.com.  [Shirley, by Charlotte Bronte] Reference

With what assurance they seem to glide along the viewless path which they follow.    From Wordnik.com.  [The Heavenly Father Lectures on Modern Atheism] Reference

Self it wove, with woof of viewless time, crossed on the warp invisible of acts. '.    From Wordnik.com.  [The Mystery of a Turkish Bath] Reference

While many a viewless spirit in the wind, Sighs to the lonely hour in accents sweet!.    From Wordnik.com.  [The Romance of the Forest] Reference

Voiceless and viewless, stirless and wordless, he kept his station behind the pile of flowers.    From Wordnik.com.  [Villette] Reference

So, Zac, the prospect of your impending new soundproof/viewless barren poured concrete digs starting to sink in?.    From Wordnik.com.  [Firedoglake » “Lapdogs” and the FDL Book Salon] Reference

I was given over to unseen powers, viewless, that dwell in space, of which we have ordinarily no human cognition.    From Wordnik.com.  [The Argosy Vol. 51, No. 2, February, 1891] Reference

He is not so; he is bound by viewless fetters, nor does he know where to strike the chain that is coiled around him.    From Wordnik.com.  [Blackwood's Edinburgh Magazine - Volume 62, No. 384, October 1847] Reference

Now and then, the nearer dip of an oar in the water told of the viewless passage of other gondolas bringing guests back to the hotel.    From Wordnik.com.  [The Haunted Hotel] Reference

Half viewless through the gloom, vast Horror reigns.    From Wordnik.com.  [Thaddeus of Warsaw] Reference

And thought thee near, though viewless on the breeze. ii.    From Wordnik.com.  [A Lover's Litanies] Reference

Imprisoned in the viewless winds, 48. wranglers, set free the, 420.    From Wordnik.com.  [Familiar Quotations A Collection of Passages, Phrases, and Proverbs Traced to Their Sources in Ancient and Modern Literature] Reference

Depersonalize teenager's flat and embellish in a more viewless manner.    From Wordnik.com.  [xml's Blinklist.com] Reference

Her words fell on apathetic solitude; she was acting to viewless space.    From Wordnik.com.  [In the Carquinez Woods] Reference

When the cows came lowing home, there were lowing herds in viewless company.    From Wordnik.com.  ['way Down In Lonesome Cove 1895] Reference

Wandering, viewless and uneasy wraiths, over Flanders, in Artois and Picardy.    From Wordnik.com.  [Waiting for Daylight] Reference

Every crime in the calendar has been committed by mortal movers of viewless beings.    From Wordnik.com.  [Modern Spiritualism] Reference

I believe in no races like those which you tell me lie viewless in space, as do gases.    From Wordnik.com.  [The Lock and Key Library Classic Mystery and Detective Stories: Old Time English] Reference

And so the wheel goes evermore round and round, through a measureless viewless eternity.    From Wordnik.com.  [The Old Man of the Mountain, The Lovecharm and Pietro of Abano Tales from the German of Tieck] Reference

Rather it was the viewless, bodiless grace of this delectable vale, some old exquisite divinity of the groves.    From Wordnik.com.  [The Moon Endureth: Tales and Fancies] Reference

Nor would my viewless pilot lead me elsewhere than to the destiny of silence that awaits me; and none the less would.    From Wordnik.com.  [The Hidden Children] Reference

There was a little gray wind out in the meadows that night, and it danced along beside us on viewless, fairy feet, and sang.    From Wordnik.com.  [The Golden Road] Reference

Saw the Sea shift color, -- "change sheets," -- when the viewless Wizard of the Wind breathed upon its face, and made it green.    From Wordnik.com.  [Chita: a Memory of Last Island] Reference

There was their son, alive and in physical health, yet between him and them was a viewless barrier which they could not break through.    From Wordnik.com.  [Taken Alive] Reference