Internecine definition

ĭntər-nĕsēn, -ĭn, -nēsīn
Deadly or harmful to both sides of a group involved in a conflict, as a civil war; mutually destructive or harmful.
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Mutually destructive; ruinous or fatal to both sides.
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(now rare) Full of slaughter or destruction.
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Characterized by bloodshed or carnage.
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The definition of internecine is something that is harmful or destructive to both sides involved.

An example of internecine was the Civil War.

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Of or involving conflict within a group.
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Mutually destructive; most often applied to warfare.

Internecine strife in Gaza claimed its most senior victim yesterday when militants assassinated one of the most hated security chiefs there.

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Characterized by struggle within a group, usually applied to an ethnic or familial relationship.

The Mongol people were plagued by internecine conflict until Genghis Khan unified them and focused their aggression outwards on other peoples.

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Of or relating to struggle within a nation, organization, or group.
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Origin of internecine

  • Latin internecīnus destructive variant of internecīvus from internecāre to slaughter inter- intensive pref. inter– nex nec- death nek-1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin internecīvus, deadly, alternatively, Latin inter (between) and necare (to slay).

    From Wiktionary