How to Say ‘Is that so? / Really?’ in Japanese
そうなの？
sou na n
[soh nah noh]
💬 Usage Tip: [そうなの？] is casual and sounds like genuine surprise. More polite versions: [そうなんですか？] or [そうですか？].
🇯🇵 In Japan: If you’re the tenant speaking to a landlord, you’ll usually choose the polite versions, but it’s useful to recognize the casual form when they speak to you.
Phrase Breakdown
そう
sou
[soh]
Is that so?; Really?
そう + explanatory の + question. Shows surprise/confirmation request in casual speech.
お湯が出ないの？そうなの？
The hot water isn’t coming out? Really?
な
na
[nah]
(copula “be” in casual form)
な links a noun/na-adjective style phrase to の: そうなの = “is that so (state)”.
そうなの？今朝から？
Is that so? Since this morning?
の
n
[noh]
(explanatory nominalizer)
の adds explanation/softness; in questions it can sound more conversational.
お湯が出ないの？
Is the hot water not coming out?
Get the Full Learning Experience
This lesson is just a preview. Download PrettyFluent to practice pronunciation, roleplay conversations, and master vocabulary with spaced repetition.
Pronunciation Feedback
AI-powered speech recognition to perfect your accent
Spaced Repetition
Retain vocabulary long-term with smart practice
Immersive Roleplaying
Practice real conversations with AI partners
Custom Scenarios
Request lessons tailored to your specific needs
Get Full LessonWhat Learners Are Saying
“Teaching in Osaka and I wanted to connect with my students beyond the classroom. The everyday conversation scenarios made my Japanese feel natural, not textbook-y.”
Mia S., 25, English Teacher
“Moved to Tokyo and the polite vs. casual speech levels were killing me. This app breaks it all down with real scenarios. My coworkers noticed the difference in weeks.”
Kevin Z., 31, Game Developer
“I tried five different apps before this one. The roleplay conversations are what finally made things click. I actually remember what I learn now.”
Sofia R., 31, Marketing Manager