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profound

American  
[pruh-found, proh‐] / prəˈfaʊnd, proʊ‐ /

adjective

profounder, profoundest
  1. penetrating or entering deeply into subjects of thought or knowledge; having deep insight or understanding.

    a profound thinker.

    Synonyms:
    sagacious, deep
    Antonyms:
    superficial, shallow
  2. originating in or penetrating to the depths of one's being: profound grief.

  3. being or going far beneath what is superficial, external, or obvious.

    profound insight.

  4. of deep meaning; of great and broadly inclusive significance.

    a profound book.

  5. pervasive or intense; thorough; complete.

    a profound silence.

  6. extending, situated, or originating far down, or far beneath the surface.

    the profound depths of the ocean.

  7. bending or passing far downward; low.

    a profound bow.


noun

Literary.
  1. something that is profound.

  2. the deep sea; ocean.

  3. depth; abyss.

profound British  
/ prəˈfʌndɪtɪ, prəˈfaʊnd /

adjective

  1. penetrating deeply into subjects or ideas

    a profound mind

  2. showing or requiring great knowledge or understanding

    a profound treatise

  3. situated at or extending to a great depth

  4. reaching to or stemming from the depths of one's nature

    profound regret

  5. intense or absolute

    profound silence

  6. thoroughgoing; extensive

    profound changes

"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

noun

  1. archaic a great depth; abyss

"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

Other Word Forms

Etymology

Origin of profound

First recorded in 1275–1325; Middle English, from Anglo-French, from Latin profundus “deep, vast,” equivalent to pro- pro- 1 + fundus “bottom” ( see found 1)

Explanation

When you need a word that's deeper than "deep," consider profound. A philosopher is likely to make many profound pronouncements. Profundus literally means "deep" in Latin, and profound had the same meaning when it entered English in the 14th century. But even then, it also meant "figuratively deep" — that is, very great or intense: "The new laws have had a profound impact." Of people, it means "very knowledgeable or insightful," but sometimes when a person tries to sound profound, they're really just giving you superficial knowledge dressed up with big words.

Keep Reading on Vocabulary.com

Vocabulary lists containing profound

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.

"It is with profound shock and a heavy heart that I have learnt of the passing of Jayden Adams," South Africa's minister of sport, arts and culture Gayton McKenzie said, in a statement.

From BBC • Jul. 11, 2026

Childbirth presents one of the most profound evolutionary compromises.

From Science Daily • Jul. 11, 2026

"All regions and relevant departments must draw profound lessons from these incidents," he said, adding that they should "implement rigorous and effective safety measures".

From Barron's • Jul. 9, 2026

In those early days of television, it became the biggest show in the country, and certain people hovering around those who were perpetrating these witch hunts had a lingering, profound effect on the nation’s future.

From Salon • Jul. 7, 2026

She might never again travel quite so far, but she could still turn her profound and unwavering focus to the gardens just outside her window.

From "The Girl Who Drew Butterflies: How Maria Merian's Art Changed Science" by Joyce Sidman

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