Synonyms of the word

internecine

• adj. Mutually destructive; most often applied to warfare.
• adj. Characterized by struggle within a group, usually applied to an ethnic or familial relationship.

bloody

• adj. Covered in blood.
• adj. Characterised by bloodshed.
• adj. (rare in US, Canada, common in Britain, Australia, New Zealand, slang) Used as an intensifier.
• adj. (dated) Badly behaved; unpleasant; beastly.
• adv. (rare in US, Canada, common in Britain, Australia, New Zealand, slang) Used to intensify what follows…
• v. To draw blood from one's opponent in a fight.
• v. To demonstrably harm the cause of an opponent.
• n. (casual) bloody mary.

internal

• adj. inside of something.
• adj. within the body.
• adj. concerned with the domestic affairs of a nation, state or other political community.
• adj. concerned with the non-public affairs of a company or other organisation.