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Extremely observant; watchful; sharp-sighted.

A form a government, in which the supreme power is vested in the principal persons of a state, or in a privileged order; an oligarchy. The aristocracy of Venice hath admitted so many abuses, trough the degeneracy of the nobles, that the period of its duration seems approach. Swift.

A barbarous word used by the old chemists to designate various medical remedies. [Obs.]

hirteen States of the United States. They were adopted March 1, 1781, and remained the supreme law until March, 1789. -- Articles of impeachment, an instrument which, in cases of impeachment, performs the same office which an indictment does in a common criminal case. -- Articles of war, rules and regulations, fixed…

Extremely rigid in self-denial and devotions; austere; severe. The stern ascetic rigor of the Temple discipline. Sir W. Scott.

Affected with, or pertaining to, astigmatism; as, astigmatic eyes; also, remedying astigmatism; as, astigmatic lenses.

The art of making measurements among the stars, or of determining their relative magnitudes.

The disbelief or denial of the existence of a God, or supreme intelligent Being. Atheism is a ferocious system, that leaves nothing above us to excite awe, nor around us to awaken tenderness. R. Hall. Atheism and pantheism are often wrongly confounded. Shipley.

One who disbelieves or denies the existence of a God, or supreme intelligent Being.

The standard atmospheric pressure used in certain physical measurements calculations; conventionally, that pressure under which the barometer stands at 760 millimeters, at a temperature of 0º Centigrade, at the level of the sea, and in the latitude of Paris. Sir W. Thomson.

Anything extremely small; a particle; a whit. There was not an atom of water. Sir J. Ross.

Extremely minute; tiny. Atomic philosophy, or Doctrine of atoms, a system which assuming that atoms are endued with gravity and motion accounted thus for the origin and formation of all things. This philosophy was first broached by Leucippus, was developed by Democritus, and afterward improved by Epicurus, and hence is…

A remedy capable of allaying organic excitement or irritation. Dunglison.

Extremely heinous; full of enormous wickedness; as, atrocious quilt or deeds.

Enormous wickedness; extreme heinousness or cruelty.

That which is attained to, or obtained by exertion; acquirement; acquisition; (pl.), mental acquirements; knowledge; as, literary and scientific attainments.

attempts the virtue of a woman. Dear sir, of force I must attempt you further: Take some remembrance of us, as a tribute. Shak.

ed the manufacturer to . . . attenuate his processes, in the allotment of tasks, to an extreme point. I. Taylor. We may reject and reject till we attenuate history into sapless meagerness. Sir F. Palgrave.

act in all litigation in which the law-executing power is a party, and to advise this supreme executive whenever required. Wharton.

That which attracts or draws; an attraction; an allurement. Speaks nothing but attractives and invitation. South.