A guide to saying it like a local
How to Say "I don't know" in Spanish
The essential Spanish phrase 'No sé' means 'I don't know' and is perfect for polite everyday communication.
No sé
noh SEHneutral
Spanish TTS · 0:01
Use this when someone asks you a question and you genuinely don't have the answer. It's a polite way to admit you lack information, whether it's about directions, a specific fact, or someone's whereabouts.
Alternatives
- No tengo ideaUse when you want to emphasize a complete lack of knowledge.
- Ni ideaA more casual and emphatic way to say you don't know.
Ways to get it wrong
Confusing 'saber' with 'conocer'
Remember 'saber' is for facts and knowledge, while 'conocer' is for people and places.
Frequently asked
how to say i dont know in spanish politely
The most common and polite way is 'No sé'. It's universally understood and appropriate in almost any context.
what is the difference between no se and no lo se
'No sé' is the standard. 'No lo sé' adds emphasis, meaning 'I don't know *it*,' often used when the subject is implied or has just been mentioned.
can i use no se in formal situations
Yes, 'No sé' is perfectly acceptable in formal settings. It's a neutral phrase that avoids being overly casual or stiff.
How do Mexicans say "I don't know"?
Mexicans commonly use "no sé" just like in other Spanish-speaking countries. They might also use "quién sabe?" which is more informal.
What is the meaning of "yo no sé"?
"Yo no sé" literally translates to "I do not know" in English. The "yo" is often omitted in everyday speech, leaving just "no sé."
How do you say "idk anymore" in Spanish?
You can say "ya no sé" to express "I don't know anymore." This implies that you previously knew something but no longer do.
What does "lo siento" mean literally?
"Lo siento" literally means "I feel it." It is used to express regret or apologize, similar to "I'm sorry" in English.
