undefeated

ˌʌndɪˈfiːtɪd

核心义 AI

未被打败的；不败的

释义 AI

adj.

1（选手或运动队）未被打败过的，未输过的
not having lost a game or competition
The team remains undefeated this season.
这支球队本赛季保持不败。
2（引申）未被击败的，未被征服的
not having been defeated in any contest or struggle
She is undefeated in debate competitions.
她在辩论赛中从未被击败过。

例句 AI

Our school's basketball team is undefeated this year.

我们学校的篮球队今年保持不败。基础

He remained undefeated in all his matches.

他在所有比赛中保持不败。自然

The undefeated champion defended his title once again.

这位不败冠军再次卫冕成功。场景

搭配 AI

remain undefeated保持不败

an undefeated season不败赛季

undefeated champion不败冠军

go undefeated保持不败

语域与场景 AI

中性偏正式，常见于体育报道、新闻和正式场合。口语中也可使用。英美用法无差别。

近义词辨析 AI

unbeaten更常用，强调从未输过

invincible语气更强，指不可战胜的

victorious强调胜利，不一定指从未输过

反义词 AI

defeated被打败的，直接反义

beaten被打败的，口语常用

unsuccessful不成功的，广义反义

易混词 AI

undefeated本词，注意拼写

unbeaten同义，但 unbeaten 也可指未被打搅的

常见错误 AI

✕ ~~The team is undefeated for three years.~~

✓ The team has been undefeated for three years.

表示持续状态用现在完成时

词族 AI

defeatv./n.击败；失败

defeatedadj.被打败的

同根词 AI

featn.功绩，壮举

助记 AI

un-（不）+ defeat（打败）+ -ed（被…的）→ 没有被打败的 → 不败的。

词源与构词 AI

un-不，未+defeat打败+-ed形容词后缀，表示被动

由前缀 un-（不）加 defeat（打败）的过去分词构成，意为未被击败的。

词频与标签

当代语料词频第 14,768 位较少见

BNC 词频第 24,248 位少见

柯林斯星级—

牛津 3000—

考试大纲—

词频排名越小越常用；柯林斯 5 星最常用。数据来自 ECDICT 词典，短语没有词频排名。

词条资料由 DeepSeek 生成，词典数据来自 ECDICT，仅供参考。发现错误？登录后可以反馈。