How to Say "I don't know" in Italian
The most natural way to say "I don't know" in Italian is Non lo so. Tap the speaker above to hear it, then say it back out loud. That is the fastest way to make it stick.
Other ways to say it
When to use it
You can use this phrase when someone asks you a question and you genuinely do not have the answer. It is a straightforward way to express uncertainty. It can be used in both casual and formal conversations.
Say it out loud, get corrected
Reading it is not the same as saying it. Practice "I don't know" and thousands more with an AI coach that listens.
Examples in Italian
| Italian | English |
|---|---|
| Non lo so se verr脿 domani. | I don't know if he will come tomorrow. |
| Non lo so cosa fare. | I don't know what to do. |
The fastest way to remember it
Vocabulary you only read fades fast. Vocabulary you say out loud sticks. Hear Non lo so, repeat it a few times, then use it in a real sentence. SPAIKING lets you practice exactly that, speaking Italian with a coach that corrects your pronunciation in real time. You can start with two free conversations.
Frequently asked questions
Can I use this phrase in a formal setting?
Yes, 'Non lo so' is appropriate in both formal and informal contexts.
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