🇮🇪 Irish phrases

How to Say "I don't know" in Irish

The SPAIKING TeamJuly 27, 2026
Níl a fhios agam
"I don't know" in Irish · say it like neel a hiss gum

The most natural way to say "I don't know" in Irish is Níl a fhios agam. 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

Níl fhios agam
A more casual way to say it, often used in conversation.
Níl a fhios agat
Means 'You don't know', used when speaking to someone else.

When to use it

Use this phrase when you genuinely do not have the information someone is asking for. It can be used in both formal and informal settings. It's a polite way to express uncertainty or lack of knowledge.

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 Irish

IrishEnglish
Níl a fhios agam cá bhfuil an leabharlann.I don't know where the library is.
Common mistake
Learners often forget to use 'a' in the phrase, saying just 'Níl fhios agam'.

The fastest way to remember it

Vocabulary you only read fades fast. Vocabulary you say out loud sticks. Hear Níl a fhios agam, repeat it a few times, then use it in a real sentence. SPAIKING lets you practice exactly that, speaking Irish 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, it is appropriate for both formal and informal situations.

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