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all; everything; entirety; the whole
absolutely (not); (not) at all; (none) whatsoever; without exception
この件に関しては一切関わりたくない。
I don't want to be involved in this matter at all.
一切の言い訳は認められないのです。
No excuses whatsoever will be accepted.
彼は一切の責任を取ると言っていた。
He said he would take all responsibility.