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

There’s the 2010 Fiesta Bowl, when Moore led the Broncos to a 17-10 victory over TCU to complete an undefeated season. —Shaun Goodwin, Idaho Statesman, 7 Feb. 2025

Andrean remained undefeated along with perennial champion Munster in the Northwest Crossroads Conference and needs one more victory to match its total from last season. —Michael Osipoff, Chicago Tribune, 7 Feb. 2025

Christian Babcock Boys soccer No. 3 Menlo-Atherton 5, Sequoia 1 The Bears remained undefeated on the season and in PAL Bay Division competition with a convincing victory over Sequoia. —Christian Babcock, The Mercury News, 31 Jan. 2025

Legends Only: Aquaphor, $5.49 - In a word, Aquaphor is undefeated. —Cora Harrington, Miami Herald, 30 Jan. 2025