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Pest-bearing; pestilential; noxious to health; malignant; infectious; contagious; as, pestiferous bodies. "Poor, pestiferous creatures begging alms." Evelyn. "Unwholesome and pestiferous occupations." Burke.

Fig.: That which is pestilent, noxious, or pernicious to the moral character of great numbers. I'll pour this pestilence into his ear. Shak. Pestilence weed (Bot.), the butterbur coltsfoot (Petasites vulgaris), so called because formerly considered a remedy for the plague. Dr. Prior.

Pestilential; noxious; pernicious; mischievous. "Corrupt and pestilent." Milton. "What a pestilent knave is this same!" Shak.

Hence: Mischievous; noxious; pernicious; morally destructive. So pestilential, so infectious a thing is sin. Jer. Taylor.

agent which, when introduced into the animal organism, is capable of producing a morbid, noxious, or deadly effect upon it; as, morphine is a deadly poison; the poison of pestilential diseases.

Having the qualities or effects of poison; venomous; baneful; corrupting; noxious. Shak. -- Poi"son*ous*ly, adv. -- Poi"son*ous*ness, n.

ng; the act or operation of separating and removing from anything that which is impure or noxious, or heterogeneous or foreign to it; as, the purification of liquors, or of metals.

or clear from material defilement, admixture, or imperfection; to free from extraneous or noxious matter; as, to purify liquors or metals; to purify the blood; to purify the air.

A divice of gauze or wire, covering the mouth or nose, to prevent the inhalation of noxious substances, as dust or smoke. Being warmed by the breath, it tempers cold air passing through it, and may also be used for the inhalation of medicated vapors.

A ventilated or refrigerated chest or closet for securing provisions from noxious animals or insects.

To keep out of sight; to suppress; to ignore. A courtly willingness to sink obnoxious truths. Robertson.

To die by reason of obstruction of the breath, or because some noxious substance prevents respiration. You shall stifle in your own report. Shak.

To expose; to make obnoxious or liable; as, credulity subjects a person to impositions.

Exposed; liable; subject; obnoxious.

Compliment or flattery used to disguise or render acceptable something obnoxious; honeyed or soothing words. [Colloq.] Acorn sugar. See Quercite. -- Cane sugar, sugar made from the sugar cane; sucrose, or an isomeric sugar. See Sucrose. -- Diabetes, or Diabetic, sugar (Med. Chem.), a variety of sugar (probably grape…

To make pure and salubrious by destroying noxious matter; as, to sweeten rooms or apartments that have been infected; to sweeten the air.

To imbue or impregnate with something extraneous, especially with something odious, noxious, or poisonous; hence, to corrupt; to infect; to poison; as, putrid substance taint the air.

nce; ignorance. He was then in happy unacquaintance with everything connected with that obnoxious cavity. Sir W. Hamilton.

Full of venom; noxious to animal life; poisonous; as, the bite of a serpent may be venomous.

A noxious or mischievous animal; especially, noxious little animals or insects, collectively, as squirrels, rats, mice, flies, lice, bugs, etc. "Cruel hounds or some foul vermin." Chaucer. Great injuries these vermin, mice and rats, do in the field. Mortimer. They disdain such vermin when the mighty boar of the forest…