Those at swords' points

• Hatfields and McCoys
• "___ are so stimulating" (Katharine Hepburn)
• Antagonists
• "Forgive your ___, but never forget their names": John F. Kennedy
• The Bloods and the Crips, e.g
• They may be sworn or bitter
• The spies in "Spy vs. Spy" comics, e.g

Wikipedia Word definitions in Wikipedia
" Enemies " (Part 3 of 4) is the Season 5 premiere episode of the science fiction television series Stargate SG-1 . This episode was nominated for an Emmy in the category "Outstanding Special Visual Effects for a Series" and a Gemini Award in the category ...

Wiktionary Word definitions in Wiktionary
n. (enemy English)

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Enemy \En"e*my\, n.; pl. Enemies . [OF. enemi, F. ennemi, from L. inimicus; in- (negative) + amicus friend. See Amicable .] One hostile to another; one who hates, and desires or attempts the injury of, another; a foe; an adversary; as, an enemy of or to ...