Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • transitive verb To make poisonous or noxious.
  • transitive verb To embitter.

from The Century Dictionary.

  • To taint or impregnate, as meat, drink, or weapons, with venom or any substance noxious to life; make poisonous: chiefly in the past participle: as, an envenomed arrow or shaft; an envenomed potion.
  • Figuratively, to imbue as it were with venom; taint with bitterness or malice.
  • To make odious or hateful.
  • To make angry; enrage; exasperate.

from the GNU version of the Collaborative International Dictionary of English.

  • transitive verb To taint or impregnate with venom, or any substance noxious to life; to poison; to render dangerous or deadly by poison, as food, drink, a weapon; ; also, to poison (a person) by impregnating with venom.
  • transitive verb To taint or impregnate with bitterness, malice, or hatred; to imbue as with venom; to imbitter.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb To make poisonous
  • verb To acerbate

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb add poison to
  • verb cause to be bitter or resentful

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English envenimen, to poison, from Old French envenimer : en-, cover with; see en– + venim, venom; see venom.]

Examples

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