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How to Say ‘I didn’t notice.’ in Japanese

気づきませんでした。

kizuki mase n deshi ta

[kee-zoo-kee mah-seh]

🇯🇵 In Japan: This is a very common response to a noise complaint. It can be sincere, but it can also be a face-saving way to apologize without arguing.

Phrase Breakdown

気づき

kizuki

[kee-zoo-kee]

noticed; realized; became aware (stem of 気づく)

The verb 気づく means “to notice/realize.” The stem 気づき is used before auxiliaries like ます/ませんでした.

Example

音が大きいことに気づきませんでした。

I didn’t notice the music/sound was loud.

ませ

mase

[mah-seh]

(part of) polite negative form

ませ attaches to a verb stem to form the polite negative (ません). Here it’s part of 気づきませんでした “didn’t notice.”

Example

ご迷惑に気づきませず、申し訳ありません。

I’m sorry I didn’t notice I was causing trouble.

ん

n

でし

deshi

た

ta

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