<p><strong>Adverb</strong></p><ul><li>Informal.</li><li>With no delay: (used especially in medical contexts in reference to the administration of a drug or as a medical directive):<ul><li>The patient was given a stat dose of morphine.</li><li>Blood work will be done stat.</li><li>I need a copy of the spreadsheet, stat!</li></ul></li></ul>