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 Ohio State Buckeyes head to Iowa City’s Kinnick Stadium in an attempt to defeat the undefeated Iowa Hawkeyes. — Erin Lassner, HollywoodReporter, 3 Oct. 2026

After just three weeks, the Chiefs and Raiders are among five remaining undefeated teams in the league. — Pete Sweeney october 1, Kansas City Star, 1 Oct. 2026

With one game remaining in Week 3, six teams remain undefeated after San Francisco edged out a 36-30 win over Arizona. — Andrew Greif, NBC news, 28 Sep. 2026

The offense and special teams, too, wasted opportunities earlier in the game for the Wolverines to stay undefeated. — ABC News, 27 Sep. 2026