Try Our Apps
Dictionary.com

follow Dictionary.com

The Best Internet Slang

ergo

[ur-goh, er-goh] /ˈɜr goʊ, ˈɛr goʊ/
conjunction, adverb
1.
Origin of ergo
1350-1400
Borrowed into English from Latin around 1350-1400

ergo-1

1.
a combining form meaning “work”:
ergograph.
Also, especially before a vowel, erg-.
Origin
combining form representing Greek érgon

ergo-2

1.
a combining form of ergot:
ergotoxine.
Origin
From French

post hoc, ergo propter hoc

[pohst hohk, er-goh prohp-ter hohk; English pohst hok, ur-goh prop-ter hok er-goh] /ˈpoʊst ˈhoʊk, ˈɛr goʊ ˈproʊp tɛr ˌhoʊk; English ˈpoʊst ˈhɒk, ˈɜr goʊ ˈprɒp tər ˌhɒk ˈɛr goʊ/
Latin.
1.
after this, therefore because of it: a formula designating an error in logic that accepts as a cause something that merely occurred earlier in time.

cogito, ergo sum

[koh-gi-toh er-goh soo m; English koj-i-toh ur-goh suhm, er-goh] /ˈkoʊ gɪˌtoʊ ˈɛr goʊ ˈsʊm; English ˈkɒdʒ ɪˌtoʊ ˈɜr goʊ ˈsʌm, ˈɛr goʊ/
Latin.
1.
I think, therefore I am (stated by Descartes as the first principle in resolving universal doubt).
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for ergo
Contemporary Examples
Historical Examples
  • ergo, again, ours must infallibly top the markets of the world.

    Brighter Britain! (Volume 1 of 2) William Delisle Hay
  • There had been an obscure presentiment of 'cognito, ergo sum' more than 2000 years previously.

    Meno Plato
  • Then he is a father, and he is yours; ergo, he is your father, and the puppies are your brothers.

    Euthydemus Plato
  • What was I before that instant I suddenly reasoned cogito, ergo sum?

    Cogito, Ergo Sum John Foster West
  • She had not spoken to him—ergo, the emotion of encountering him was too great for her.

    In Direst Peril David Christie Murray
British Dictionary definitions for ergo

ergo1

/ˈɜːɡəʊ/
sentence connector
1.
therefore; hence
Word Origin
C14: from Latin: therefore

ergo2

/ˈɜːɡəʊ/
noun
1.
(informal) short for ergometer (sense 2)

cogito, ergo sum

/ˈkɒɡɪˌtəʊ ˈɜːɡəʊ ˈsʊm/
uknown
1.
I think, therefore I am; the basis of Descartes' philosophy
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
Cite This Source
Word Origin and History for ergo

c.1400, from Latin ergo "therefore, in consequence of," possibly from *ex rogo "from the direction," from ex "out of" (see ex-) + root of regere "to guide" (see regal).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
ergo in Medicine

ergo- pref.
Work: ergometer.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
ergo in Culture
ergo [(er-goh, ur-goh)]

Latin word meaning “therefore”; usually used to show a logical conclusion: “Birds are warm-blooded animals, and reptiles are cold-blooded animals; ergo, no bird is a reptile.”

The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for ergo

Many English speakers likely know this word

Word Value for ergo

5
6
Scrabble Words With Friends

Nearby words for ergo