Definition of if I were you
- I'd do it if I were you.
: 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
: past tense second-person singular, past tense plural, and past subjunctive of be
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