<p><strong>Adjective</strong></p><ul><li>participating in the knowledge of something private or secret (usually followed by to): Many persons were privy to the plot.</li><li>private; assigned to private uses.</li><li>belonging or pertaining to some particular person, especially with reference to a sovereign.</li><li>secret, concealed, hidden, or secluded.</li><li>acting or done in secret.</li></ul><p><strong>Noun</strong></p><ul><li>plural priv·ies.</li><li>outhouse (def 1).</li><li>Law. a person participating directly in or having a derivative interest in a legal transaction.</li></ul>