# searchless
## English
### Etymology

From search +‎ -less.

### Adjective

searchless (comparative more searchless, superlative most searchless)
* Impossible to be searched; inscrutable; impenetrable.
** 1728, James Thomson, Spring:Th'inticing Smile; the modest-seeming eye, Beneath whose Beaueous Beams, belying Heaven, Lurk searchless Cunning, Cruelty, and Death: And still, false-warbling in his cheated Ear, Her syren Voice, enchanting, draws him on, To guileful Shores, and Meads of fatal Joy.
** 1813, Percy Bysshe Shelley, Queen Mab: A Philosophical Poem, with Notes, page 63:Famine, murder, hell and power Were glutted in that glorious hour Which searchless fate had stamped for me With the seal of her security
** 1835, Firdausí,, translated by James Atkinson, The Sháh Námeh of the Persian Poet:Though others faint—though erring nature stray, Guard thou the searchless mandate,—and Obey!
** 1911, Cale Young Rice, The Immortal Lure, page 42:By the presaging of the seven planets, And by the searchless sources of the Nile, And by the prayers of Christian and of Heathen , And by the elements earth, air and fire, That hold within their intermingled veins The secret of illimitable life—By fate and time and God—I here conjure you
* Vast; Too massive or great to be fully known.
** 1849, Richard Henry Dana, Poems and Prose Writings, page 94:O Goodness searchless! Thou who once didst walk With man on earth, with man familiar talk,!
** 1883, Edmund Gosse, English Odes, page 45:I'll sing the searchless depths of the compassion divine, The depths unfathomed yet By reason's plummet and the line of wit, - Too light the plummet and too short the line;
** 1890, Ezra Porter Chittenden, The Pleroma: A Poem of the Christ, page 163:Facing the East, and its searchless savannas— Facing the gloom of the thicket and forest;
** 1990, Frederick Fyvie Bruce, A Mind for what Matters: Collected Essays of F.F. Bruce, page 253:It is better to remember Mr. Boyd gratefully as the author of the beautiful communion hymn, "O teach us, Lord, Thy searchless love to know," than as one who inadvertently perpetrated a doctrinal deviation which contributed to a minor ecclesiastical cleavage.
* That arrives at a solution by analytic means, rather than by trial and error or iterative searching.
** 2009, Oleg N Favorsky, Thermal to Mechanical Energy Conversion, page 221:Finding of the optimum regime, corresponding to the extremum of the quality index, may be carried out by an automatic search (search and extremal ACS) or by a searchless way ( searchless or analytical ACS).
** 2011, Ivan Tyukin, Adaptation in Dynamical Systems, page 46:As an alternative and an extension to the trial-and-error adaptation employed in systems with extremum-seeking regulatory mechanisms is the idea of direct, searchless optimization proposed in the 1960s.
** 2012, V.Y. Tertychny-Dauri, Adaptive Mechanics, page 40:The control is sought in the class of searchless self-adjustable systems that provide the linearity of the basic adjusting contour if the object state deviates from the unperturbed movement.
** 2024, Rakesh Garg, Richa Gupta, “Comparative analysis of approaches to optimize fractal image compression”, in Soumya Ranjan Nayak, Janmenjoy Nayak, Khan Muhammad, editor, Intelligent Fractal-Based Image Analysis, page 191180:Similarly, in [99], a discrete wavelet transform is used alongside the parallel implementation of FIC. Jackson et al. [88] exercised a searchless approach to encode the image using FIC and claimed to achieve a higher compression ratio.