[verb im-preg-neyt, im-preg-neyt; adjective im-preg-nit, -neyt]

verb (used with object), im·preg·nat·ed, im·preg·nat·ing.

to make pregnant; get with child or young.
to fertilize.
to cause to be infused or permeated throughout, as with a substance; saturate: to impregnate a handkerchief with cheap perfume.
to fill interstices with a substance.
to furnish with some actuating or modifying element infused or introduced; imbue, infect; tincture.



Origin of impregnate

1535–45; < Late Latin impraegnātus past participle of impraegnāre to fertilize, impregnate, equivalent to im- im-1 + praegn- (see pregnant1) + -ātus -ate1
Related formsim·preg·na·tion, nounim·preg·na·tor, nounim·preg·na·to·ry [im-preg-nuh-tawr-ee, -tohr-ee] /ɪmˈprɛg nəˌtɔr i, -ˌtoʊr i/, adjectivenon·im·preg·nat·ed, adjectivere·im·preg·nate, verb (used with object), re·im·preg·nat·ed, re·im·preg·nat··im·preg·na·tion, nounself-im·preg·nat·ed, adjectiveself-im·preg·nat·ing, adjectiveself-im·preg·na·tion, nounself-im·preg·na·tor, nounun·im·preg·nat·ed, adjective

Synonyms for impregnate Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for impregnate

Contemporary Examples of impregnate

  • Birenbaum-Carmeli also points to technology that means even a near-sterile man can now be assisted to impregnate his wife.

    The Daily Beast logo
    Israel’s Sperm Clinic Crisis

    Alastair Sloan

    March 16, 2014

  • Sex addiction is simply a new name for the old evolutionary concept—the innate urge to impregnate as many females as possible.

    The Daily Beast logo
    Every Man Is a Sex Addict

    T. Byram Karasu

    February 24, 2010

Historical Examples of impregnate

  • It is only necessary that one should meet the female egg in order to impregnate it.

  • Nor is it necessary to impregnate the beer-wort with yeast to provoke fermentation.

  • He had sought to impregnate his colleagues with the same loftiness of principle—he had failed.


    Edward Bulwer Lytton

  • There is no identity of matter between me as I now am, and me as an impregnate ovum.

  • But he knows that she will impregnate him as well, give him power from her strength.

    mile Verhaeren

    Stefan Zweig

British Dictionary definitions for impregnate


verb (ˈɪmprɛɡˌneɪt) (tr)

to saturate, soak, or infuseto impregnate a cloth with detergent
to imbue or permeate; pervade
to cause to conceive; make pregnant
to fertilize (an ovum)
to make (land, soil, etc) fruitful

adjective (ɪmˈprɛɡnɪt, -ˌneɪt)

pregnant or fertilized
Derived Formsimpregnation, nounimpregnator, noun

Word Origin for impregnate

C17: from Late Latin impraegnāre to make pregnant, from Latin im- in- ² + praegnans pregnant
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 impregnate

c.1600, from Late Latin impraegnatus "pregnant," past participle of impraegnare "to render pregnant," from assimilated form of in- "into, in" (see in- (2)) + praegnare "make pregnant" (see pregnant). Earlier in same sense was impregn (1530s).

Online Etymology Dictionary, © 2010 Douglas Harper

impregnate in Medicine




To make pregnant; to cause to conceive; inseminate.
To fertilize an ovum.
To fill throughout; saturate.
Related formsim′preg•nation•pregna′tor n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.