What is the opposite word of victory?

The opposite word of victory is defeat.

Explanation:

• Victory means success in a competition, battle, or struggle.
• Defeat means failure or loss in the same context.

Examples in Sentences:

• The team celebrated their victory.
• The team faced defeat after a tough match.

Other Possible Antonyms:

• Loss
• Failure

Conclusion:
The most appropriate and commonly used opposite word of “victory” is defeat.