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Daring; spirited; adventurous. As in a cloudy chair, ascending rides Audacious. Milton.

In an audacious manner; with excess of boldness; impudently.

The quality of being audacious; impudence; audacity.

An instrument by which the power of hearing can be gauged and recorded on a scale.

The act of hearing or listening; hearing. Audition may be active or passive; hence the difference between listening and simple hearing. Dunglison.

The act or process of augmenting, or making larger, by addition, expansion, or dilation; increase.

The practice of augury.

The act of driving a chariot or a carriage. [R.] De Quincey.

An examination by listening either directly with the ear (immediate auscultation) applied to parts of the body, as the abdomen; or with the stethoscope (mediate ~), in order to distinguish sounds recognized as a sign of health or of disease.

issue; giving promise of success, prosperity, or happiness; predicting good; as, an auspicious beginning. Auspicious union of order and freedom. Macaulay.

The act of giving authority or legal power; establishment by authority; sanction or warrant. The authorization of laws. Motley. A special authorization from the chief. Merivale.

Poisoning caused by a virus that originates and develops in the organism itself.

Inoculation of a person with virus from his own body.

Poisoning, or the state of being poisoned, from toxic substances produced within the body; autotoxæmia.

One who writers his own life or biography.

Pertaining to, or containing, autobiography; as, an autobiographical sketch. "Such traits of the autobiographic sort." Carlyle. -- Au`to*bi`o*graph"ic*al*ly, adv.

One who writes his own life; an autobiographer. [R.]

A biography written by the subject of it; memoirs of one's life written by one's self.

through all its stages on one host, as certain parasitic fungi; -- contrasted with heterocious.

Self-impregnation. Darwin.