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
• imperilled
• vulnerable
• vincible
• surmountable
• superable

Example Sentences

Recent Examples of undefeated

In 2007, he and the team were inducted into the school’s hall of fame for their undefeated season in 1978. —Joe Otterson, Variety, 23 July 2025

Teaming with his protégé, Darby Allin, Sting competed in 28 matches and remained undefeated. —Andrew Ravens‎, MSNBC Newsweek, 18 July 2025

Liam McNeeley McNeeley’s Charlotte Hornets went undefeated in Las Vegas and won the Summer League title, but the Husky one-and-done only played in two games before being shut down due to Achilles tendinitis. —Kels Dayton, Hartford Courant, 21 July 2025

Both these squads have gone undefeated through five games in Vegas. —Tyler Everett, MSNBC Newsweek, 20 July 2025