How to Say “Make Sure” in Japanese

確かめる
tashikameru
The Japanese phrase for 'make sure' is 確かめる (tashikameru).
The verb 確かめる is used when the goal is to check a fact, a piece of information or a physical state to ensure it is correct.

Which one should you use?

While 確かめる is common, the more formal or business-oriented way to say 'to make sure' or 'to confirm' is 確認する.

How does it change in a sentence?

Adding ください to the te-form creates a standard polite request to 'please make sure' or 'please verify', resulting in 確かめてください.

How do you pronounce it?

tashikameru

Did you know?

  • Japanese railway staff use a safety method called shisa kanko or 'pointing and calling'. They physically point at signals and shout 確認 to make sure they have seen the information correctly.
  • In Japanese, the word 確か (tashika) can be used as an adverb to mean 'probably' or 'if I recall correctly'. This is the exact opposite of its meaning in the verb 確かめる, which implies absolute certainty.
  • In a Japanese workplace, instead of just saying they will 'make sure' of something, employees often say they will 確認を取る, which literally means 'to take/obtain confirmation'.

Examples in context

  • 間違いがないか確かめる。
    machigai ga nai ka tashikameru.
    Verify that there are no mistakes.

Example conversation

Yui and Hinata are checking their hotel reservation.

  1. 結衣 Yui

    予約の日付を確かめるね。
    yoyaku no hizuke o tashikameru ne.
    I'll make sure of the reservation date.
  2. 陽太 Yota

    ありがとう。お願いします。
    arigatou. onegaishimasu.
    Thanks. Please do.
  3. 結衣 Yui

    大丈夫、間違っていないよ。
    daijoubu, machigatte inai yo.
    It's okay, it is correct.
  4. 陽太 Yota

    よかった、安心したよ。
    yokatta, anshin shita yo.
    That's good, I'm relieved.
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Lillian Amber
Lillian AmberHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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