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A court or tribunal for the examination and punishment of heretics, fully established by Pope Gregory IX. in 1235. Its operations were chiefly confined to Spain, Portugal, and their dependencies, and a part of Italy.

Not effectually guarded, protected, or sustained; unsafe; unstable; exposed to danger or loss. Bp. Hurg. The trade with Egypt was exceedingly insecure and precarious. Mickle.

An order of birds, formerly established to include the perching birds, but now generally regarded as an artificial group.

To set in a seat; to give a place to; establish (one) in a place. She installed her guest hospitably by the fireside. Sir W. Scott.

To set, place, or establish, as in a rank, office, or condition; to install; to invest; as, to instate a person in greatness or in favor. Shak.

Established; organized; founded. [Obs.] They have but few laws. For to a people so instruct and institute, very few to suffice. Robynson (More's Utopia).

The act or process of instituting; as: (a) Establishment; foundation; enactment; as, the institution of a school. The institution of God's law is described as being established by solemn injunction. Hooker.

Tending or intended to institute; having the power to establish. Barrow.

One who institutes, founds, ordains, or establishes.

Offensive beyond endurance; detestable. A multitude of scribblers who daily pester the world with their insufferable stuff. Dryden.

Rising in opposition to civil or political authority, or against an established government; insubordinate; rebellious. "The insurgent provinces." Motley.

A rising against civil or political authority, or the established government; open and active opposition to the execution of law in a city or state. It is found that this city of old time hath made insurrection against kings, and that rebellion and sedition have been made therein. Ezra iv. 19.

f the usual order of words or phrases; as, "of all vices, impurity is one of the most detestable," instead of, "impurity is one of the most detestable of all vices."

Firm establishment by long continuance; firmness or deep-rooted obstinacy of any quality or state acquired by time; as, the inveteracy of custom, habit, or disease; -- usually in a bad sense; as, the inveteracy of prejudice or of error. An inveteracy of evil habits that will prompt him to contract more. A. Tucker.…

Old; long-established. [Obs.] It is an inveterate and received opinion. Bacon.

An adjustable diaphragm, suggesting the iris of the eye in its action, for regulating the aperture of a lens, consisting of a number of thin pieces fastened to a ring. It is used in cameras and microscopes.

able; not to be gainsaid or denied; not to be refuted or overthrown; unanswerable; incontestable; undeniable; as, an irrefragable argument; irrefragable evidence. -- Ir*ref"ra*ga*ble*ness, n. -- Ir*ref"ra*ga*bly, adv.

ording to common form; not conformable to nature, to the rules of moral rectitude, or to established principles; not normal; unnatural; immethodical; unsymmetrical; erratic; no straight; not uniform; as, an irregular line; an irregular figure; an irregular verse; an irregular physician; an irregular proceeding; irregul…

ith cyanic acid, and resembling it in its salts. It is obtained as a colorless, mobile, unstable liquid by the heating cyanuric acid. Called technically carbimide.

To thrust; to stab; to punch. See Job, v. t. [Scot. & Colloq. U. S.]