一いっ切さい

い

っ

さ

い

Common wordJLPTN2Freq.FrequencyTop 2,000

Meanings

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

Used as a noun or with の to mean 'all of something' or 'the entirety'. Often appears in formal or emphatic contexts.

Used adverbially with a negative verb to mean 'not at all' or 'absolutely not'. Stronger than 全然.

一いっ切さい〜ないnot at all; absolutely no
彼かれはその質しつ問もんに一いっ切さい答こたえなかった。
He didn't answer that question at all.
〈事こと〉の一いっ切さいを〈動どう詞し〉to handle/take care of everything concerning something
準じゅん備びの一いっ切さいを彼かの女じょに任まかせた。
I left all the preparations to her.
一いっ切さいの〈事こと〉all (of the) ~; every bit of ~
一いっ切さいの責せき任にんを負おいます。
I will take full responsibility for everything.

全ぜん部ぶN5sense 1
全部 is the everyday word for 'all' or 'everything', while 一切 is more formal and emphatic, often used in legal or dramatic contexts.
全ぜん然ぜんN5sense 2
全然 is the common casual word for 'not at all' with negatives, but 一切 is stronger and sounds more formal or absolute.
全すべてN3sense 1
すべて is a neutral, literary way to say 'everything' or 'all', whereas 一切 adds a stronger, more absolute nuance.
少すこしもN3sense 2
少しも emphasizes 'not even a little' and is softer than 一切, which flatly denies any exception at all.

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全まったくN3sense 2
まったく with a negative means 'not at all' in everyday speech, while 一切 is more formal and used for stronger, more categorical denials.
万ばん事じN1
一切 emphasizes totality and is often paired with negative verbs (一切ない), whereas 万事 describes all matters or affairs in a neutral, formal way.
何なんらN1
一切 emphasizes 'entirely, without exception' and pairs with negatives just like 何ら, but it also works as a noun meaning 'everything', a use 何ら lacks.
ことごとくN1
一切 is typically paired with negative verbs to mean 'not at all' or 'none whatsoever', while ことごとく is used affirmatively to mean 'every single one without exception'.

一ひと切きれ
一切れ (ひときれ) means 'one slice/piece' of something, while 一切 (いっさい) means 'everything' or 'not at all'—easy to confuse in writing despite different readings and meanings.
一いっ式しき
一式 refers to a complete set of related items (like tools or equipment), while 一切 means 'all/everything' in an abstract sense and is often used with negatives to mean 'nothing at all'.

一いっ切さいUsage78%
Standard kanji spelling; high-frequency word.
いっさいUsage22%
Kana spelling is common in everyday writing, especially for the adverbial sense.

From Middle Chinese 一切 (ʔjit tshejH, “all, everything”). The adverbial use with negatives developed in Japanese.