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rdensome and troublesome load; anything that impedes motion or action, or renders it difficult or laborious; clog; impediment; hindrance; check. Cowper.

Not decomposable; incapable or difficult of decomposition; not resolvable into its constituents or elements.

Bot.), any tree yielding caoutchouc, but especially the East Indian Ficus elastica, often cultivated for its large, shining, elliptical leaves.

changes which food should undergo in the alimentary canal; dyspepsia; incomplete or difficult digestion.

ed. The different varieties are natives of Asia, Africa, and America. Several species are cultivated, of which the most important are the I. tinctoria, or common indigo plant, the I. Anil, a larger species, and the I. disperma. -- Indigo purple, a purple obtained from indigo. -- Indigo red, a dyestuff, isomeric with…

isentangled; hopelessly intricate, confused, or obscure; as, an inextricable knot or difficulty; inextricable confusion. Lost in the wild, inextricable maze. Blackmore.

exempt from error; inerrability. Infallibility is the highest perfection of the knowing faculty. Tillotson. Papal infallibility (R. C. Ch.), the dogma that the pope can not, when acting in his official character of supreme pontiff, err in defining a doctrine of Christian faith or rule of morals, to be held by the churc…

Incapability or difficulty of being fused, melted, or dissolved; as, the infusibility of carbon.

Possessed of genius, or the faculty of invention; skillful or promp to invent; having an aptitude to contrive, or to form new combinations; as, an ingenious author, mechanic. A man . . . very wise and ingenious in feats of war. Hakluyt. Thou, king, send out For torturers ingenious. Shak. The more ingenious men are, the…

recommend; to render easy or agreeable; -- followed by to. [Obs.] Dr. J. Scott. What difficulty would it [the love of Christ] not ingratiate to us Hammond.

f I could only show,as I hope I shall . . . how men, barely by the use of their natural faculties, may attain to all the knowledge they have, without the help of any innate impressions; and may arrive at certainty without any such original notions or principles. Locke.

; incapable of being searched into and understood by inquiry or study; impossible or difficult to be explained or accounted for satisfactorily; obscure; incomprehensible; as, an inscrutable design or event. 'T is not in man To yield a reason for the will of Heaven Which is inscrutable. Beau. & Fl. Waiving a question so…

To take by wiles, stratagem, or deceit; to involve in difficulties or perplexities; to seduce by artifice; to inveigle; to allure; to entangle. The insnaring charms Of love's soft queen. Glover.

Not soluble; in capable or difficult of being dissolved, as by a liquid; as, chalk is insoluble in water.

vable; insoluble; admitting no solution or explanation; as, an insolvable problem or difficulty. I. Watts.

reathing; to inhale; -- opposed to expire. Forced to inspire and expire the air with difficulty. Harvey.

Incapable of being passed over or surmounted; insurmountable; as, insuperable difficulties. And middle natures, how they long to join, Yet never pass the insuperable line Pope. The difficulty is enhanced, or is . . . insuperable. I. Taylor.

pable of being passed over, surmounted, or overcome; insuperable; as, insurmountable difficulty or obstacle. Locke. Hope thinks nothing difficult; despair tells us that difficulty is insurmountable. I. Watts.

The part or faculty of the human soul by which it knows, as distinguished from the power to feel and to will; sometimes, the capacity for higher forms of knowledge, as distinguished from the power to perceive objects in their relations; the power to judge and comprehend; the thinking faculty; the understanding.…

The intellect or understanding; mental powers or faculties. Her husband, for I view far round, not nigh, Whose higher intellectual more I shun. Milton. I kept her intellectuals in a state of exercise. De Quincey.