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How to Say ‘Do you say? / is it called? (casual question)’ in Japanese

いうの?

iu n

[ee-oo noh]

💬 Usage Tip: [の?] makes a casual question with a “curious/explanatory” tone. Politer: [言うんですか?]

🇯🇵 In Japan: Adding [の?] can sound friendly and interested—great for making conversation at clubs.

Phrase Breakdown

いう

iu

[ee-oo]

to say; to call; to be named

Here いう is used in the pattern なんていうの? meaning “What do you call it?”

Example

それって英語でなんていうの?

How do you say that in English?

n

[noh]

(explanatory) no; nominalizer

の can turn the verb into a noun-like phrase and add an explanatory/soft tone in questions: いうの? = “(do you) call it?”

Example

それ、なんていうの?

What’s that called?

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