<p><strong>Noun:</strong></p><ul><li>Any of a large group of fat-soluble organic compounds, as the sterols, bile acids, and sex hormones, most of which have specific physiological action.</li><li>Anabolic steroid.</li></ul><p><strong>Adjective:</strong></p><ul><li>Also steroidal: pertaining to or characteristic of a steroid.</li></ul>