唯一(ゆいいつ)

ゆいいつ
noun, no-adjective
only, sole, unique
1. only, sole, unique
Being the only one of its kind. Nothing else exists in the same category.
これが唯一(ゆいいつ)の方法(ほうほう)です。
This is the only way.
彼(かれ)は唯一(ゆいいつ)の生存者(せいぞんしゃ)でした。
He was the only survivor.
日本語(にほんご)を話(はな)せるのは、チームの中(なか)で彼女(かのじょ)が唯一(ゆいいつ)です。
She is the only one on the team who can speak Japanese.

唯一(ゆいいつ) emphasizes that something is the only one of its kind, with absolutely no alternatives or equivalents.

COMMON PATTERNS:

  • 唯一(ゆいいつ)の + noun: the only ~ (唯一(ゆいいつ)の方法(ほうほう), the only method)
  • 唯一(ゆいいつ)無二(むに): one and only, absolutely unique
  • 唯一(ゆいいつ)の例外(れいがい): the sole exception

SIMILAR WORDS:

  • たった一(ひと)つ: only one (casual, spoken)
  • 唯一(ゆいいつ): only, sole (formal, written)
  • 独自(どくじ): unique, original (focuses on distinctiveness)
  • ただ一(ひと)つ: the one and only (literary)

USAGE:
Functions as both a noun and a no-adjective. More formal and emphatic than たった一(ひと)つ. Common in written language and formal speech.

general
Added 2026.1.9 20:57 · Revised 2026.3.30 14:29
01500/01666_yuiitsu