v. To expose a deception.v. To accuse; malign; speak evil of.v. To reveal; divulge; make known; declare; inform.v. To expose a person, rat someone out.v. To divulge a secret.v. To disclose or reveal (usually with reference to a person's identity or true character) perfidiously, prejudicially, or to one's discredit or harm; betray; expose.v. To reveal or disclose unintentionally or incidentally; show the presence or true character of; show or make visible.