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

• sepulchre
• sepulture
• sequacious
• sequacity
• sequel
• sequela
• sequella
• sequenator
• sequence
• sequencer
• sequent
• sequential
• sequential file
• sequential operation
• sequentially
• sequester
• sequestered
• sequestrate
• sequestration
• sequestrator
• sequestrum
• sequin
• sequined
• sequoia
• Sequoia gigantea