<p><strong>adjective</strong></p><ul><li>Of the spleen; splenic.</li><li>Irritable; peevish; spiteful.</li><li>Producing or likely to produce a feeling of fear; frightening.</li></ul><p><strong>Synonyms</strong></p><ul><li>Touchy</li><li>Fretful</li><li>Testy</li><li>Irascible</li><li>Vexatious</li><li>Choleric</li><li>Petulant</li></ul><p><strong>Obsolete</strong></p><ul><li>Affected with, characterized by, or tending to produce melancholy.</li></ul><p><strong>noun</strong></p><ul><li>A splenetic person.</li></ul>