baneful

(bān'fəl)
adj.
Causing harm, ruin, or death; harmful. See Usage Note at baleful.

banefully bane'ful·ly adv.

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adjective

1. Extremely destructive or harmful: deadly, malignant, noxious, pernicious, pestilent, pestilential, virulent. See help/harm/harmless.
2. Portending future disaster: apocalyptic, apocalyptical, dire, direful, fateful, fire-and-brimstone, grave, hellfire, ominous, portentous, unlucky. See luck/misfortune/chance, warn/invite.

adj

Definition: ruinous, injurious
Antonyms: advantageous, beneficial, beneficent, fortunate, helpful, lucky

IN BRIEF: Causing harm or ruin; destructive.

The forest fire had baneful consequences on the deer population.

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For a list of words related to baneful, see:

• Bad, False, Evil, Insincere, or Dishonest
• Troublesome, Negative, Irresponsible, or Unpleasant

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