N1 · Structured courses

～wo Motte: By / With / As Of

Learn wo motte for "by means of" and "as of (deadline)" — formal. This lesson combines form, context, examples, common mistakes, and practice so you can use the pattern in real communication.

12 minNihongo Hub Editorial TeamPublished 2026-06-06Updated 2026-06-06

Learning objectives

  • Lesson goals: Learn wo motte for "by means of" and "as of (deadline)" — formal.
  • Form and connection: [Noun] をもって
  • Nuance in real use: をもって is a cornerstone of formal Japanese — replacing で with it is like replacing "by" with "hereby." In Japanese business documents and formal notices, this word is standard.

Form and connection

[Noun] をもって

Core Explanation

Learn wo motte for "by means of" and "as of (deadline)" — formal.

Cultural Note

をもって is a cornerstone of formal Japanese — replacing で with it is like replacing "by" with "hereby." In Japanese business documents and formal notices, this word is standard.

Practical examples

We will notify you in writing.
We will close as of today.
With this, we conclude the meeting.

Common pitfalls

Build the base form before adding the pattern

Complete the required conjugation first. Do not keep polite and plain endings at the same time.

Match politeness to the situation

The examples are reliable starting points; relationships and context can still change the most natural wording.

Practice and answers

1. Write the connection formula for this lesson.
Show answer[Noun] をもって
2. Explain the meaning of the first example.
Show answerWe will notify you in writing.
3. Rewrite the final example using this lesson pattern.
Show answerこれをもって会議かいぎを終了しゅうりょうします。 ([Noun] をもって)

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