Meanings
verbhave no idea (third-person singular simple present has no idea, present participle having no idea, simple past and past participle had no idea)
present singular third person has no idea · participle present having no idea · participle past had no idea · past had no idea
- To not know at all.
- To be mistaken; to not have a correct idea.
For both Margaret Thatcher in the UK and Ronald Reagan in the US, what was to blame for the slump in the late-1970s^([sic]) was clear (though we now know they really had no idea).
2019, Abhijit V. Banerjee, Esther Duflo, Good Economics for Hard Times, page 236
Translations
Czech nemít tušení
- nemít tušeníknow not
Dutch geen idee hebben
- geen idee hebbenknow not
Greek δεν έχω ιδέα
- δεν έχω ιδέα (den écho idéa)know not
Polish nie mieć pojęcia
- nie mieć pojęciaknow not
Portuguese saber lá
- saber láknow not
Romanian nu avea habar
- nu avea habarknow not
Spanish no tener ni idea
- no tener ni ideaknow not
Cite this entry
APA
have no idea. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/have%20no%20idea
MLA
“have no idea.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/have%20no%20idea. Accessed November 5, 2026.
Chicago
WatkinsX Dictionary, s.v. “have no idea,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/have%20no%20idea.
Source: have no idea on Wiktionary, CC BY-SA 4.0.