<p><strong>Adjective</strong></p><ul><li>Serving to help or assist; auxiliary.<ul><li>Example: "You'll be serving in an adjuvant capacity, on call if we need you."</li></ul></li><li>Medicine/Medical: Utilizing drugs, radiation therapy, or other means of supplemental treatment following cancer surgery or other primary cancer treatment.<ul><li>Example: "The cancer was caught at such an early stage that adjuvant measures were determined to be unnecessary."</li></ul></li></ul><p><strong>Noun</strong></p><ul><li>A person or thing that aids or helps; a team of adjuvants.</li><li>Medicine/Medical, Pharmacology: Anything that aids in the treatment of disease, management of pain, etc., especially a substance added to a medication to aid the effect of the main ingredient.<ul><li>Example: "For some in acute pain, caffeine is an effective analgesic adjuvant."</li></ul></li><li>Immunology: A substance admixed with an immunogen in order to elicit a more marked immune response.<ul><li>Example: "Aluminum salts have been used as adjuvants in vaccines for many decades."</li></ul></li></ul>