I don't know

: the 9th letter of the English alphabet

: a graphic representation of this letter

: a speech counterpart of orthographic i

imaginary unit

: the one who is speaking or writing — compare me, mine, my, we

: someone aware of possessing a personal individuality : self

iodine

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

: knowledge