Wiktionary
no idea
interj. 1 (context lang=en emphatic) I don't know. 2 (non-gloss definition lang=en Indicates that the speaker is completely ambivalent about something.) n. ignorance
Wikipedia
No Idea (disambiguation)
No Idea may refer to:
- No Idea Records, an American independent record label
- "No Idea", a song by Algebra from her album Purpose (2008)
Usage examples of "no idea".
Collecting Uree could be tricky, though, since Gold had no idea where on the three planets Bradford and his hostages were.
Likewise, we know of a few facilities associated with Iraq's missile programs, but we have no idea where its hidden Scud manufacturing plants are--although the former inspectors believe Iraq has them.
At that time I had no idea this plant could do anything, except maybe make rope, let alone that it was earth's most important resource for paper, fiber, fuel, etc.