Dictionary.com
Thesaurus.com
Synonyms

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

  • profoundly adverb
  • profoundness noun
  • unprofound adjective

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” ( found 1 )

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.

Nelson later contacted Jeffrey to say he was covering some of his songs, and that his experience with the mirror had a profound effect on him.

From Los Angeles Times

A once profound story of education success will fizzle.

From The Wall Street Journal

"This finding highlights the profound value of studying familial diseases and the merit of large-scale genomic datasets, which can reveal rare genetic variations with broader implications for population health."

From Science Daily

A Dubai billionaire’s critical post on X highlights how turmoil in the region stands to upset an increasingly profound economic relationship with the U.S.

From The Wall Street Journal

"My mother was completely isolated, and the impact of her grief has been profound, complex and far-reaching."

From BBC