in·​ter·​pen·​e·​trate | \ ˌin-tər-ˈpe-nə-ˌtrāt How to pronounce interpenetrate (audio) \
interpenetrated; interpenetrating; interpenetrates

Definition of interpenetrate

intransitive verb

: to penetrate mutually

transitive verb

: to penetrate between, within, or throughout : permeate

Other Words from interpenetrate

interpenetration \ ˌin-​tər-​ˌpe-​nə-​ˈtrā-​shən How to pronounce interpenetrate (audio) \ noun

Examples of interpenetrate in a Sentence

with tie-dyeing, the dye does not interpenetrate the entire fabric
Recent Examples on the Web Traditionalist Catholic ideas and values now interpenetrate conservative American political thought and nearly every political institution of consequence. Peter Hammond Schwartz, The New Republic, 3 Feb. 2021 Spaces and forms interpenetrated. Sculptural concrete projections that housed the chambers and the mayor’s office protruded from a modular facade of offices. Joseph Giovannini, New York Times, 4 Apr. 2020 In very recent work, Nikolay Prokof'ev and Boris Svistunov have proposed extremely clean examples involving two interpenetrating superfluids. Frank Wilczek, Scientific American, 16 Oct. 2019 Two of the figures embrace, and their bodies interpenetrate to form a new anthropomorphic — no, feminamorphic — tree. Sharon Mizota,, 7 July 2018 Nabokov’s stories and novels and autobiographical essays are the true reverse dreams, where futures pass and interpenetrate, and where the past, like John Dunne’s transparent fishing lures, shines. Nicholson Baker, New Republic, 21 Feb. 2018 But things improve as the two stories, or at least the two pairs of actors, eventually start to interpenetrate. Jesse Green, New York Times, 2 Oct. 2017 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'interpenetrate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of interpenetrate

circa 1810, in the meaning defined at intransitive sense

Learn More About interpenetrate

Time Traveler for interpenetrate

Time Traveler

The first known use of interpenetrate was circa 1810

See more words from the same year

Dictionary Entries Near interpenetrate




See More Nearby Entries 

Statistics for interpenetrate

Cite this Entry

“Interpenetrate.” Dictionary, Merriam-Webster, Accessed 20 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Name That Color

  • a light greenish blue color
  • Name that color:
True or False

Test your knowledge - and maybe learn something along the way.

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!