Synonyms of internecine

internecine

adjective

as in bloody

formal marked by usually mutual slaughter or destruction

a brutal internecine war/battle

internecine feuds

a political party that has suffered because of bitter internecine rivalries

Related Words

• bloody
• murderous
• deadly
• sanguinary
• killer
• mortal
• fatal
• serious
• lethal
• poisonous
• destructive
• ugly
• pernicious
• terminal
• sanguine
• injurious
• fell
• virulent
• baleful
• threatening
• infective
• toxic
• baneful
• deleterious
• infectious
• deathly
• pestilent
• harmful
• noxious
• truculent
• dangerous
• pestilential
• sublethal
• perilous
• vital
• hazardous
• menacing
• risky
• grave
• grievous
• parlous
• unhealthy
• unsound
• jeopardizing

Dissimilar Words

• salutary
• beneficial
• salubrious
• remedial
• restorative
• corrective
• curative
• advantageous
• useful
• tonic
• nonfatal
• alleviative
• safe
• healthful
• nonlethal
• healthy
• wholesome
• nontoxic
• nonpoisonous

Example Sentences

Recent Examples of internecine

And like any power center, this one comes with internecine battles, petty rivalries, and lots and lots of money. — Lachlan Cartwright, Vanity Fair, 5 May 2026

That was never likely to actually happen, but the ceasefire takes the wind out of the sails of Democrats who had enjoyed the internecine fighting. — Jim Edwards, Fortune, 8 Apr. 2026

The internecine battle on the party’s left edge also demonstrated the perils of a coalition failing to coalesce around a singular candidate. — Phillip M. Bailey, USA Today, 18 Mar. 2026

After many years, James heads to Jerusalem, hoping for enlightenment from Esther but jarringly confronted by the harsh realities of the centuries-old, internecine conflict in that region. — The Know, Denver Post, 15 Mar. 2026

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