<p><strong>Adjective</strong></p><ul><li>not reasonable or rational</li><li>acting at variance with or contrary to reason</li><li>not guided by reason or sound judgment</li><li>irrational</li></ul><p><strong>Synonyms</strong></p><ul><li>silly</li><li>foolish</li><li>senseless</li></ul><p><strong>Description</strong></p><ul><li>not in accordance with practical realities, as attitude or behavior</li><li>inappropriate</li><li>His Bohemianism was an unreasonable way of life for one so rich.</li></ul><p><strong>Synonyms</strong></p><ul><li>nonsensical</li><li>stupid</li><li>absurd</li><li>preposterous</li><li>silly</li><li>foolish</li><li>senseless</li></ul><p><strong>Description</strong></p><ul><li>excessive, immoderate, or exorbitant</li><li>unconscionable</li><li>an unreasonable price</li><li>unreasonable demands</li></ul><p><strong>Synonym</strong></p><ul><li>extravagant</li></ul><p><strong>Description</strong></p><ul><li>not having the faculty of reason.</li></ul>