i don't know

idiom
UK: /ˌaɪ dəʊnt ˈnəʊ/
US: /ˌaɪ doʊnt ˈnoʊ/

  1. Used to express a lack of knowledge or information about something.

    1. I don't know the answer to that question right now. [ ] [ ]
    2. Regarding the project's deadline, I don't know if we can meet it; it depends on resource availability. [ ] [ ]

  2. Used to express uncertainty or doubt about something.

    1. I don't know if I can go to the party tonight. [ ] [ ]
    2. Honestly, I don't know whether to believe him, as he has been unreliable in the past. [ ] [ ]

  3. Used to express a lack of interest or concern about something.

    1. I don't know what you're talking about, sorry. [ ] [ ]
    2. To be honest, I don't know what the fuss is all about; it seems like a minor issue to me. [ ] [ ]

Synonyms

search me dunno

Frequently Asked Questions

The word "i don't know" in English means: Used to express a lack of knowledge or information about something., Used to express uncertainty or doubt about something., Used to express a lack of interest or concern about something..

The phonetic transcription of "i don't know" is /ˌaɪ dəʊnt ˈnəʊ/ in British English and /ˌaɪ doʊnt ˈnoʊ/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "i don't know": search me, dunno.

Example usage of "i don't know": "I don't know the answer to that question right now.". More examples on the page.