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confound

American  
[kon-found, kuhn-, kon-found] / kɒnˈfaʊnd, kən-, ˈkɒnˈfaʊnd /

verb (used with object)

confounds, present (3rd person singular) confounded, past participle, past confounding present participle
  1. to perplex or amaze, especially by a sudden disturbance or surprise; bewilder; confuse.

    The complicated directions confounded him.

    Synonyms:
    nonplus, daze, dumbfound, astound
  2. to throw into confusion or disorder.

    The revolution confounded the people.

  3. to throw into increased confusion or disorder.

  4. to treat or regard erroneously as identical; mix or associate by mistake.

    truth confounded with error.

  5. to mingle so that the elements cannot be distinguished or separated.

  6. to damn (used in mild imprecations).

    Confound it!

  7. to contradict or refute.

    to confound their arguments.

  8. to put to shame; abash.

  9. Archaic.

    1. to defeat or overthrow.

    2. to bring to ruin or naught.

  10. Obsolete. to spend uselessly; waste.


confound British  
/ kənˈfaʊnd /

verb

  1. to astound or perplex; bewilder

  2. to mix up; confuse

  3. to treat mistakenly as similar to or identical with (one or more other things)

  4. to curse or damn (usually as an expletive in the phrase confound it! )

  5. to contradict or refute (an argument, etc)

  6. to rout or defeat (an enemy)

  7. obsolete to waste

"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

Derived Forms

Inflected Forms

Participles

Conjugated Forms

Present

Past

Future

Etymology

Origin of confound

First recorded in 1250–1300; Middle English conf(o)unden, from Anglo-French confoundre, from Latin confundere “to mix,” equivalent to con- con- + fundere “to pour”

Explanation

If you have an identical twin, you've probably tried dressing alike so that people confound you with, or mistake you for, one another. You've also probably learned that, unfortunately, this trick doesn’t work on your mom. The verb confound means both "to mistake" and "to confuse." If you decide to treat yourself to a delicious dessert, you might find yourself confounded by the overwhelming number of choices. If you end up ordering the chocolate cake but the waiter brings you chocolate mousse, the waiter has somehow confounded those two options. Another meaning you may come across in literature is "to damn," as in "Confound it! You are the most exasperating person on the planet."

Keep Reading on Vocabulary.com

Vocabulary lists containing confound

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.

See Examples For:

But adding Alphabet won’t save the Dow from its other shortcomings, and the blue-chip index’s enduring popularity continues to confound me.

From Barron's Jun. 24, 2026

Points, too, for the solid casting, from the leads’ tricky pivoting from openness to caginess, to the criminally underseen Wasikowska, who navigates maternal complexities of worry and compassion that confound easy pigeonholing.

From Los Angeles Times Jun. 19, 2026

“The launch of the Luce, Ferrari’s first electric car, on 25 May may well confound some sceptics as well.”

From The Wall Street Journal May 5, 2026

Eli Carter and Martin Tobias suggest that a reversion to negative equity- bond correlations could confound expectations in 2026.

From MarketWatch Dec. 22, 2025

Either she doesn't want to confound the jury, or she has no more idea than I have why Sam Westing had to play two roles.

From "The Westing Game" by Ellen Raskin

“We found that even after getting rid of these confounds, people still claimed early.”

From MarketWatch Apr. 16, 2026

“To be dead honest it confounds me,” said Jillian Michaels, the trainer turned podcaster, famous for her role on the reality TV show “Biggest Loser.”

From The Wall Street Journal Oct. 10, 2025

“You're asking people in different age brackets, which confounds the entire thing, right?”

From Salon Dec. 4, 2024

That some people return to afflicted areas is just one factor that confounds population mobility models -- in actual fact, people may move between locations, sometimes multiple times.

From Science Daily Jun. 3, 2024

It confounds me when people don’t assist or even welcome those on their own team.

From "Salt to the Sea" by Ruta Sepetys

Raw milk’s success confounded me: How had it gained such a foothold in this country, despite regular outbreaks of salmonella and E. coli, and even the discovery of bird flu in Raw Farm’s milk?

From Salon Jun. 22, 2026

The global energy state of play 100 days into the worst supply shock in modern history has confounded analysts and investors alike.

From Barron's Jun. 7, 2026

"When I see some of that footage back, I'm still as confounded as I was even as a 19-year-old," she said.

From BBC May 19, 2026

He’s merely one of 347 biologists that Eva assigned to solve the case, so he’s confounded to be in this lonely predicament.

From Los Angeles Times Mar. 18, 2026

“What a confounded nuisance,” said Maxim, “that cupid is worth a hell of a lot. How I loathe servants’ rows too.

From "Rebecca" by Daphne du Maurier

Because Golding’s account of his death was so deliberately confounding, I wasn’t sure what happened.

From Los Angeles Times Jun. 9, 2026

This approach was designed to reduce bias and account for potential confounding factors.

From Science Daily Jun. 6, 2026

Donald Trump trades stocks at a confounding rate, Everlane is reportedly sold to Shein, and online media is succumbing to bots.

From Slate May 23, 2026

Eli An analyst noted thin details and potential confounding factors.

From Barron's May 4, 2026

The young, photogenic Yale-, Oxford-, and Harvard-educated lawyer had learned just how confounding the problems of urban America were.

From "The Other Wes Moore: One Name, Two Fates" by Wes Moore

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