<p><strong>Noun</strong></p><ul><li>overabundance; excess: His crisis brought him a plethora of advice and an almost complete lack of assistance.</li><li>a large quantity or wide array; a lot: The co-op program offers a plethora of advantages for students.</li><li>Visitors are drawn to the main beach, where a plethora of watersports can be enjoyed.</li><li>Pathology Archaic: a morbid condition due to excess of red corpuscles in the blood or increase in the quantity of blood.</li></ul>