随ずい一いち

also: ずいいつ

ず

い

ち

Common wordFreq.FrequencyTop 50,000

Meanings

1

Used to single out the top example in a category, often in formal or written contexts. Commonly follows a noun with の, e.g., 日本随一の〜.

ピアニスト

だ

。

He is the best pianist in Japan.

この地ち域いきは全ぜん国こく随ずい一いちの米こめどころとして知しられている。

This region is known as the number one rice-producing area in the country.

〈場ば所しょ〉随ずい一いちの〈物もの〉the best ~ in a given place
この温おん泉せんは日本にほん随ずい一いちの規き模ぼを誇ほこる。
This hot spring boasts the largest scale in Japan.
〈場ば所しょ〉随ずい一いちの〈人ひと〉the top person in a given place or field
彼かれはこの業ぎょう界かい随ずい一いちの実じつ力りょく者しゃだ。
He is the most skilled person in this industry.

一いち番ばんN5
一番 is the everyday word for 'number one' or 'best', while 随一 is more formal and typically used in written phrases like 日本随一.
最さい高こうN3
最高 expresses subjective praise for something being 'the best' or 'highest', whereas 随一 objectively singles out the top entity in a comparison.
屈くっ指し
屈指 means 'one of the top few' without claiming the single top spot, while 随一 specifically means the single best.

ずいぶんN4
随分 shares the kanji 随 with 随一 but means 'quite a lot' or 'considerably', a completely different meaning from 随一's 'the best'.

From 随 (following, accompanying) and 一 (one), literally 'the one that follows first', i.e., the foremost. The reading ずいいつ is an irregular variant.

ずいいつ

irregular kana usage