tr.v. im·preg·nat·ed, im·preg·nat·ing, im·preg·nates
1. To make pregnant; inseminate.
2. To fertilize (an ovum, for example).
3. To fill throughout; saturate: a cotton wad that was impregnated with ether.
4. To permeate or imbue: impregnate a speech with optimism.
adj. (also -nĭt)
Saturated or filled.
[Probably from Late Latin impraegnātus, pregnant : Latin in-, in; see IN-2 + Latin praegnātus, variant of praegnās, pregnant; see PREGNANT1.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
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