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Synonyms

penetrating

American  
[pen-i-trey-ting] / ˈpɛn ɪˌtreɪ tɪŋ /

adjective

  1. able or tending to penetrate; piercing; sharp: a penetrating glance.

    a penetrating shriek;

    a penetrating glance.

  2. acute; discerning.

    a penetrating observation.

    Synonyms:
    sharp, keen
    Antonyms:
    obtuse
  3. Surgery. noting a wound that pierces the skin, especially a deep wound entering an organ or body cavity.


penetrating British  
/ ˈpɛnɪˌtreɪtɪŋ /

adjective

  1. tending to or able to penetrate

    a penetrating mind

    a penetrating voice

"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

Related Words

See acute.

Other Word Forms

Etymology

Origin of penetrating

First recorded in 1590–1600; penetrat(e) + -ing 2

Vocabulary lists containing penetrating

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Mr. Pappalardo’s “Boomtown,” alas, offers us no such penetrating insights.

From The Wall Street Journal • Apr. 24, 2026

In terms of penetrating the code of silence, “the police are easier to crack than firefighters,” she added.

From Los Angeles Times • Apr. 23, 2026

To study its terrain, scientists must rely on radar imaging capable of penetrating the cloud layer.

From Science Daily • Feb. 12, 2026

"My eyes nearly popped out of my skull," said project lead Dr Alex Langlands, after ground penetrating radar revealed the "huge structure" in Margam Country Park.

From BBC • Jan. 11, 2026

“You already know about alchemy. It is about penetrating to the Soul of the World, and discovering the treasure that has been reserved for you.”

From "The Alchemist" by Paulo Coelho

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