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

Synonyms & Similar 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

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of undefeated

Drake was one of the final four undefeated teams in Division I, playing with a confidence its leaders brought from the D-II ranks. —Scott Dochterman, The Athletic, 24 Mar. 2025

Foreman won the heavyweight title with a stunning second-round knockout of the previously undefeated Frazier in 1973. —Ryan Morik, Fox News, 22 Mar. 2025

Four years later, Foreman won the heavyweight title with a stunning second-round knockout of the previously undefeated Frazier in 1973. —Landon Mion, Fox News, 22 Mar. 2025

Despite the disparity in shots, Eastern Hills held on, but finally succumbed to Lake Dallas 4-1. Lake Dallas (15-6-2) moves on and will face undefeated Waxahachie Life (24-0-0) in the area round next week. —Darren Lauber, Fort Worth Star-Telegram, 22 Mar. 2025