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penetrate

verb

pen·​e·​trate ˈpe-nə-ˌtrāt How to pronounce penetrate (audio)
penetrated; penetrating

transitive verb

1
a
: to pass into or through
this route … penetrates the leading resort and lake areas American Guide Series: Minnesota
Only a dirt road penetrates the rough, wooded terrain.
b
: to enter by overcoming resistance : pierce
This bullet can penetrate armor.
c
: to gain entrance to
an apartment that I now penetrated for the first time Osbert Lancaster
2
a
: to see into or through
their keen eyes can penetrate the water to a depth of … forty feet L. K. Porritt
b
: to discover the inner contents or meaning of
a scientific secret which will eventually be penetrated by other countries Vera M. Dean
3
: to affect profoundly with feeling
men may still be penetrated with awe by the divine righteousness R. W. Dale
4
: to diffuse through or into
the cold began to penetrate his bones E. K. Gann

intransitive verb

1
a
: to pass, extend, pierce, or diffuse into or through something
fishes … which enter tidal rivers and penetrate almost to fresh water J. L. B. Smith
b
: to pierce something with the eye or mind
strained his eyes to penetrate beyond the thick cloud of dust
insight that penetrates to the very heart of some … problem W. F. Hambly
2
: to affect deeply the senses or feelings
the suggestion might penetrate deeply enough … to make her a good deal more wary H. A. Overstreet

Synonyms

Choose the Right Synonym for penetrate

enter, penetrate, pierce, probe mean to make way into something.

enter is the most general of these and may imply either going in or forcing a way in.

entered the city in triumph

penetrate carries a strong implication of an impelling force or compelling power that achieves entrance.

the enemy penetrated the fortress

pierce means an entering or cutting through with a sharp pointed instrument.

pierced the boil with a lancet

probe implies penetration to investigate or explore something hidden from sight or knowledge.

probed the depths of the sea

Example Sentences

These bullets can penetrate armor. radiation penetrating the Earth's atmosphere The bullet failed to penetrate. The heat penetrated through the wall. The roots of these plants have been known to penetrate to a depth of more than 15 feet. My car's headlights couldn't penetrate the dense fog. See More
Recent Examples on the Web To penetrate segmented markets, the use of local languages comes in handy. Faustine Ngila, Quartz, 2 Sep. 2022 Woolite's Instaclean stain remover contains ingredients to penetrate and break up stains on contact. Carolyn Forté, Good Housekeeping, 1 Sep. 2022 The report could have some impact inside China if outsiders can find a way to penetrate the country’s Great Firewall of internet censorship. The Editorial Board, WSJ, 1 Sep. 2022 Talon is also promising to use technology that will safely store the mine’s toxic byproducts and do its mining far underground, in deep bedrock where groundwater doesn’t typically penetrate. BostonGlobe.com, 30 Aug. 2022 Don’t screw the connections together, because the screw tips would penetrate into the interior and trap lint. Jeanne Huber, Washington Post, 8 Aug. 2022 Once inside them, the bots would use a robotic arm topped with a milling head to penetrate into the surrounding earth and carve out small voids that would then get filled with concrete or some other strong material. Wired, 13 Aug. 2022 Don't Overstuff the Washing Machine Because of their bulk, sheets need room to move in the washing machine in order for water and detergent to thoroughly penetrate the fibers and wick away the buildup that contributes to a dingy appearance. Jolie Kerr, Better Homes & Gardens, 9 Aug. 2022 These tunneling nanotubes extend across cell-to-cell gaps to penetrate a neighbor and give viral particles a direct route into COVID-impervious tissue. Stephanie Pappas, Scientific American, 20 July 2022 See More

Word History

Etymology

Latin penetratus, past participle of penetrare, from penitus deep within, far; akin to Latin penus provisions

First Known Use

circa 1530, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of penetrate was circa 1530

Phrases Containing penetrate

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