Usually means: Lack of knowledge or certainty.
Definitions Related words Phrases Mentions
We found 7 dictionaries that define the word I don't know:

General (5 matching dictionaries)
  1. I don't know: Merriam-Webster
  2. I don't know: Cambridge Advanced Learner's Dictionary
  3. I don't know: Wiktionary
  4. I Don't Know, I Don't Know (Fiestar song), I Don't Know (Ozzy Osbourne song), I Don't Know (Paul McCartney song), I Don't Know (The Sheepdogs song), I Don't Know (Willie Mabon song), I don't know: Wikipedia, the Free Encyclopedia
  5. i don't know: Merriam-Webster

Miscellaneous (1 matching dictionary)
  1. I don't know: Idioms

Slang (1 matching dictionary)
  1. i dont know: Urban Dictionary

Definitions from Wikipedia (I Don't Know)

noun:  "I Don't Know" is a song by Joanne, which was released as the sixth and final single from her debut album, Do Not Disturb.
noun:  "I Don't Know" is a song by Honeyz.
noun:  "I Don't Know" is a rhythm and blues song recorded in October 1952 by Willie Mabon and His Combo.
noun:  "I Don't Know" is a single from the Canadian band The Sheepdogs.
noun:  "I Don't Know" is a song by South Korean girl group, Fiestar, from their third single album, Curious.
noun:  "I Don't Know" is a song by English musician Paul McCartney, released by Capitol Records as a double A-side single alongside "Come On to Me", ahead of McCartney's 17th studio album, Egypt Station.
noun:  "I Don't Know" is a blues song written by Brook Benton and Bobby Stevenson, and first recorded by Ruth Brown in 1959.
noun:  the second studio album by British shoegaze band Bdrmm, released on 30 June 2023 through Rock Action Records.

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