<p><strong>Adjective</strong></p><ul><li>Not genuine, authentic, or true; not from the claimed, pretended, or proper source; counterfeit.</li><li>Of illegitimate birth; bastard.</li><li>(In Biology) Having a similar appearance but a different structure.</li></ul><p><strong>Synonyms</strong></p><ul><li>Deceitful</li><li>Meretricious</li><li>Phony</li><li>Feigned</li><li>Mock</li><li>Bogus</li><li>Sham</li><li>False</li></ul><p><strong>Antonyms</strong></p><ul><li>Genuine</li></ul>