arch enemies

Sworn mortal foes

Arch enemies are the most bitter or principal adversaries—opponents defined by deep, lasting hostility.

The prefix arch- intensifies, marking these as enemies above all others: Batman and the Joker are arch enemies.

The term appears in comic books and dramatic narratives, though it's often used playfully for rivalries that aren't literally life-or-death: My arch enemy from high school just got promoted above me.

rivalry

nemesis

Persistent source of ruin

archrival · opponent · rival · counterpart · challenger · contender · bitter rival · sparring partner · duelist · opposite number

animosity

hatred

Intense hostile aversion

ill will · bitterness · malice · spite · loathing · bad blood · vendetta · blood feud · vengeance · retribution

conflict

battle

Armed military engagement

  • warfareArmed conflict between groups
  • clashViolent disagreement or collision
  • combatArmed hostile engagement

struggle · confrontation · feud · hostilities · showdown · standoff · war · skirmish · face-off · final battle

narrative

villain

Wicked story antagonist

comic book · origin story · backstory · betrayal · evil twin · opposite side · final boss · showdown · destiny · fate

Opposites
relationship quality

arch enemiesbest friends

Closest mutual companions

soulmates · bosom buddies · blood brothers · partners in crime · kindred spirits

relational intensity

arch enemiesstrangers

People unknown to you

nobodies · acquaintances · ships passing in the night

Family

archenemies

Familiarity
Top 200,000
Profile
Known to kids · Used worldwide · Timeless · Negative · Everyday, not technical · Rated G