overabundance; excess: a plethora of advice and a paucity of assistance.
Pathology Archaic. a morbid condition due to excess of red corpuscles in the blood or increase in the quantity of blood.

Origin of plethora

1535–45; < New Latin < Greek plēthṓra fullness
Can be confuseddearth plethora Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for plethora

Contemporary Examples of plethora

Historical Examples of plethora

  • That would be worse, Lawrence, for the damp might cause a plethora.

    The Memoires of Casanova, Complete

    Jacques Casanova de Seingalt

  • Man produces gestalts, and cuts form out of the plethora of nothingness.


    Robert Sheckley

  • Your present plethora of acquirements will soon cure itself.

    Medical Essays

    Oliver Wendell Holmes, Sr.

  • The intestines of our mountains are gorged with precious ore to plethora.

    Roughing It

    Mark Twain (Samuel Clemens)

  • Taxation is necessary just as blood-letting is necessary in plethora.

British Dictionary definitions for plethora



superfluity or excess; overabundance
pathol obsolete a condition caused by dilation of superficial blood vessels, characterized esp by a reddish face
Derived Formsplethoric (plɛˈθɒrɪk), adjectiveplethorically, adverb

Word Origin for plethora

C16: via Medieval Latin from Greek plēthōrē fullness, from plēthein to grow full
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for plethora

1540s, a medical word for "excess of body fluid," from Late Latin plethora, from Greek plethore "fullness," from plethein "be full" (see pleio-). Figurative meaning "too-muchness, overfullness in any respect" is first recorded 1700. Related: Plethoric.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for plethora




An excess of blood in the circulatory system or in one organ or area.
An excess of any of the body fluids.
Related formsple•thoric (plĕ-thôrĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.