Synonyms of undefeated

undefeated

adjective

as in unbeaten

not having or including any losses or defeats

They were undefeated in their first nine games.

an undefeated team

Related Words

• unbeaten
• unconquered
• invincible
• unbeatable
• unstoppable
• unconquerable
• indomitable
• insurmountable
• unbowed
• invulnerable
• impregnable
• bulletproof
• unassailable
• unsubdued
• insuperable
• inviolable
• untouchable
• defended
• protected
• armored
• guarded
• unbreachable
• shielded
• safeguarded
• secure
• safe

Dissimilar Words

• open
• unprotected
• susceptible
• liable
• unsafe
• insecure
• unguarded
• exposed
• weak
• helpless
• powerless
• defenseless
• imperiled
• vulnerable
• vincible
• surmountable
• superable

Example Sentences

Recent Examples of undefeated

The undefeated women’s champ and world-record holder Miki Sudo looks to raise her eleventh mustard belt, while the face of competitive eating, Joey Chestnut, seeks his eighteenth victory. — Sheldon Pearce, New Yorker, 3 July 2026

England next faces Mexico at Mexico City Stadium (Estadio Azteca), where the co-host boasts an undefeated record across 10 World Cup matches. — David Hickey, NBC news, 2 July 2026

Both heavyweights walked in undefeated to a packed arena including Frank Sinatra, Woody Allen, Burt Lancaster, and Diana Ross in the stands. — Tracy Wright, FOXNews.com, 1 July 2026

But before the bedlam and high praise for their undefeated passage to the round of 16, Mexicans doubted that their country was ready to co-host the tournament. — Felipe Cardenas, New York Times, 1 July 2026