唯ゆい一いつ

also: ゆいつ · ゆういつ

ゆ

い

つ

Common wordJLPTN3Freq.FrequencyTop 2,000

Meanings

1

noun which may take the genitive case particle 'no', noun, adverb

Describes something that is the one and only; can be used as a noun, adjectivally with の, or adverbially.

解と

く

唯ゆい

一いつ

の

方ほう

法ほう

は

これ

だ

。

This is the only way to solve this problem.

唯ゆい一いつ、彼かれだけがその秘ひ密みつを知しっていた。

Only he knew the secret.

ただ一ひとつ
More colloquial and concrete; 唯一 is more formal and often used in written or emphatic contexts.
オンリーワン
Loanword from English 'only one'; carries a trendy, emotional nuance, unlike the neutral 唯一.

Kanji compound of 唯 (solely) and 一 (one). The reading ゆいいつ is the standard on'yomi; ゆいつ is a contraction, and ゆういつ is an irregular variant.