Very numerous; existing in great numbers.(adjective)
Consisting of many parts.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "multitudinous" in a sentence
"Its life, strong, splendid and multitudinous, is everywhere flavoured with that unaffected pessimism and constitutional melancholy which strike deepest root under the brightest skies and which sigh in the face of heaven: —"
"Coleridge, the profoundest of critics, calls him “an oceanic mind,” and this language, as expressing the idea of multitudinous unity, is none too big for him;"
"Now, in precisely the same sense Darwin calls the multitudinous variations of plants and animals accidental."