Definitions
1.VerbTo accuse; malign; speak evil of.
2.VerbTo reveal, divulge, or make (something) known; disclose.
To reveal or disclose and show the presence or true character of, especially if unintentionally or incidentally, or else if perfidiously, prejudicially, or to one's discredit.
3.VerbTo reveal or disclose and show the presence or true character of, especially if unintentionally or incidentally, or else if perfidiously, prejudicially, or to one's discredit.
4.VerbTo expose or rat out (someone).
5.VerbTo expose to harm.
6.VerbTo expose (a deception).
7.VerbTo soil or befoul; to beray.