Definition of I don't know about him/her
- I don't know about him—he's hard to figure out.
: 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
: objective case of he
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