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Covered with, or containing, extraneous matter which is injurious, noxious, offensive, or obstructive; filthy; dirty; not clean; polluted; nasty; defiled; as, a foul cloth; foul hands; a foul chimney; foul air; a ship's bottom is foul when overgrown with barnacles; a gun becomes foul from repeated firing; a well is fou…

Exhalation; volatile matter (esp. noxious vapor or smoke) ascending in a dense body; smoke; vapor; reek; as, the fumes of tobacco. The fumes of new shorn hay. T. Warton. The fumes of undigested wine. Dryden.

ess; serviceable; useful; fit; excellent; admirable; commendable; not bad, corrupt, evil, noxious, offensive, or troublesome, etc. And God saw everything that he had made, and behold, it was very good. Gen. i. 31. Good company, good wine, good welcome. Shak.

To taint with morbid matter or any pestilential or noxious substance or effluvium by which disease is produced; as, to infect a lancet; to infect an apartment.

The state or quality of being infertile; unproductiveness; barrenness. The infertility or noxiousness of the soil. Sir M. Hale.

trivance to filter, as air, in order to protect the lungs from inhaling damp or cold air, noxious gases, dust, etc.; also, the respiratory apparatus for divers.

Not harmful; free from that which can injure; innoxious; innocuous; harmless; as, an innocent medicine or remedy. The spear Sung innocent,and spent its force in air. Pope.

Healthy; salubrious; normal; having a disposition to promote healing; not noxious; as, laudable juices of the body; laudable pus. Arbuthnot.

Air infected with some noxious substance capable of engendering disease; esp., an unhealthy exhalation from certain soils, as marshy or wet lands, producing fevers; miasma.

Tending to destroy life; poisonous; noxious; as, mephitic exhalations; mephitic regions.

Noxious, pestilential, or foul exhalations from decomposing substances, filth, or other source.

Infectious particles or germs floating in the air; air made noxious by the presence of such particles or germs; noxious effluvia; malaria.

ing employers and officers of the law, and for avenging themselves by murder on persons obnoxious to them. The society was broken up by criminal prosecutions in 1876.

Doing hurt, or having a tendency to hurt; hurtful; mischievous; noxious; as, nocent qualities. I. Watts.

Hurtful; noxious. [R.] -- Noc"u*ous*ly, adv. [R.]

Noxious to health; hurtful; mischievous; unwholesome; insalubrious; destructive; as, noisome effluvia. "Noisome pestilence." Ps. xci. 3.

That which annoys or gives trouble and vexation; that which is offensive or noxious.

Giving pain or unpleasant sensations; disagreeable; revolting; noxious; as, an offensive smell; offensive sounds. "Offensive to the stomach." Bacon.

Excessively fertile; bearing rank or noxious growths. [Obs.] "Overbattle grounds." Hooker.

Anything which resembles a pest; one who, or that which, is troublesome, noxious, mischievous, or destructive; a nuisance. "A pest and public enemy." South.