Meaning of What's that
A question asking for identification of something.
In simple words: A question asking about something you see or hear.
What's that in a sentence
- Look at that strange noise; what's that?
- I saw something weird in the sky, what's that?
- When I heard a crash, I immediately asked, 'What's that?'
How to use What's that
Used in casual conversation. Avoid in formal settings or written language, as it may seem too familiar.
Grammar pattern
standalone question
Memory hint
Think of someone looking surprised, saying 'What's that?' when noticing something unusual.

Related words
Collocations with What's that
- what's that sound?
- what's that over there?
- what's that doing?
Synonyms for What's that
Common mistakes with What's that
- Used in formal situations where a more polite inquiry is needed.
- Confused with 'what is that', which is more formal.
Compare What's that with What is that, What's this, What’s going on
What's that appears in
What's that in other languages
- Arabicالعربية
ما هذا
سؤال عن شيء تراه أو تسمعه.
- Bengaliবাংলা
ওটা কি
আপনি যা দেখছেন বা শুনছেন তা সম্পর্কে জিজ্ঞাসা করা একটি প্রশ্ন।
- GermanDeutsch
Was ist das?
Eine Frage nach etwas, das du siehst oder hörst.
- SpanishEspañol
¿Qué es eso?
Una pregunta sobre algo que ves o escuchas.
- Persianفارسی
اون چیه؟
یه سوال در مورد چیزی که میبینی یا میشنوی.
- FrenchFrançais
C'est quoi ça
Une question pour demander ce que c'est quand tu vois ou entends quelque chose.
- Hindiहिन्दी
वो क्या है
जो आप देखते या सुनते हैं उसके बारे में पूछने वाला सवाल।
- ItalianItaliano
Cos'è quello?
Una domanda su qualcosa che vedi o senti.
- PortuguesePortuguês
O que é isso
Uma pergunta sobre algo que você vê ou ouve.
- RussianРусский
Что это?
Вопрос о том, что вы видите или слышите.
- Urduاردو
وہ کیا ہے
کسی ایسی چیز کے بارے میں پوچھنا جو آپ دیکھتے یا سنتے ہیں۔
- Chinese中文
那是什么
问你看到或听到的东西是什么。
More chunks like What's that
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Frequently asked questions about What's that
What does What's that mean?
A question asking about something you see or hear.
What is the definition of What's that?
A question asking for identification of something.
How do you use What's that in a sentence?
Look at that strange noise; what's that?
Can you give another example of What's that?
I saw something weird in the sky, what's that?
What are synonyms for What's that?
Common alternatives include what is that?, what's this?, what's going on?.
What words go with What's that?
It commonly pairs with what's that sound?, what's that over there?, what's that doing?.
What are common mistakes when using What's that?
Used in formal situations where a more polite inquiry is needed. Confused with 'what is that', which is more formal.
How do you pronounce What's that?
US: //wɑts ðæt//, UK: //wɒts ðæt//. Listen to the audio above to hear native pronunciation.
Is What's that formal or informal?
"What's that" is informal, so it fits casual conversation with friends and family.
When should I use What's that?
Used in casual conversation. Avoid in formal settings or written language, as it may seem too familiar.





























