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

Then, over the next four days, teams from the Asian Football Confederation (AFC) went undefeated, largely through draws. — Juliana Kim, NPR, 16 July 2026

His 1971 Final Four team was the first undefeated team in Big Eight history, winning both conference and tournament titles. — Gary Bedore, Kansas City Star, 13 July 2026

Ruffian, an undefeated filly, and Kentucky Derby winner Foolish Pleasure compete in a match race. — Assistant Sports Editor, Los Angeles Times, 6 July 2026

To kick off the action, the undefeated Dallas Power faced the Detroit Amps, who were seeking their first win of the year. — Ava Dicecca, Sun Sentinel, 5 July 2026