1. (of conflict) within a group or organization
   "an internecine feud among proxy holders" 
2. Characterized by bloodshed and carnage for both sides
   "internecine war"

See also: bloody, internal

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• quartet
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• quartic polynomial
• quartile
• quarto
• quartz
• quartz battery
• quartz clock
• quartz crystal
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• quasar
• quash
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• quasi contract
• quasi-NGO
• quasi-religious
• quasi-royal
• quasi-stellar radio source