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no idea is not in our dictionary (yet). Here's what it could mean:

Confidence: high

Results generated using artificial intelligence.

phrase

  • A statement indicating a complete lack of knowledge, understanding, or information about a particular subject.

Example Sentences

Examples are provided to illustrate usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"I had absolutely no idea what was going on in the middle of the festival," the 28-year-old from London says.

From BBC • Jun. 5, 2026

"I had no idea how large and long these caves are," Sankey said.

From Science Daily • Jun. 2, 2026

Thesaurus

Possible Synonyms

Words in our thesaurus

other words

  • your guess is as good as mine
  • drawing a blank
  • haven't a clue
  • search me

Possible Antonyms

Words in our thesaurus

other words

  • crystal clear on it
  • know for a fact
  • got it down pat
  • a walking encyclopedia

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