Nearby Words

proliferate

[pruh-lif-uh-reyt] Origin

pro·lif·er·ate

[pruh-lif-uh-reyt]
verb (used without object), verb (used with object), -at·ed, -at·ing.
1.
to grow or produce by multiplication of parts, as in budding or cell division, or by procreation.
2.
to increase in number or spread rapidly and often excessively.

Origin:
1870–75; prolifer(ous) + -ate1

pro·lif·er·a·tive, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Proliferate is a GRE word you need to know.
So is protracted. Does it mean:
draw out or lengthen, esp. in time
shameless dissoluteness
Collins
World English Dictionary
proliferate (prəˈlɪfəˌreɪt)
 
vb
1.  to grow or reproduce (new parts, cells, etc) rapidly
2.  to grow or increase or cause to grow or increase rapidly
 
[C19: from Medieval Latin prōlifer having offspring, from Latin prōlēs offspring + ferre to bear]
 
pro'liferative
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

proliferate
1873, as a term in biology, from proliferation. General sense from 1961.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

proliferate pro·lif·er·ate (prə-lĭf'ə-rāt')
v. pro·lif·er·at·ed, pro·lif·er·at·ing, pro·lif·er·ates
To grow or multiply by rapidly producing new tissue, parts, cells, or offspring.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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