<p><strong>Noun</strong></p><ul><li>something that fills the place of something else that is lacking; temporary substitute; makeshift</li><li>Candles are a stopgap when the electricity fails.</li></ul><p><strong>Adjective</strong></p><ul><li>makeshift: This is only a stopgap solution.</li></ul><p><strong>Synonyms</strong></p><ul><li>impromptu</li><li>substitute</li><li>temporary</li><li>improvised</li></ul>