Definition of I don't know
- "What time does the library close?" "I don't know."
- "I don't like that guy." "Oh, I don't know, he's not really so bad."
- She thinks we should go now, but I don't know. Maybe we should wait.
: the 9th letter of the English alphabet
: a graphic representation of this letter
: a speech counterpart of orthographic i
: someone aware of possessing a personal individuality : self
used as a connective vowel to join word elements especially of Latin origin
: do not
: does not
: a command or entreaty not to do something
: to perceive directly : have direct cognition of
: to have understanding of
: to recognize the nature of : discern
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