cofounder

or co-found·er

[ koh-foun-der ]

/ koʊˈfaʊn dər /

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noun

a person who founds or establishes something with another.

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CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

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Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Origin of cofounder

First recorded in 1595–1605; co- + founder¹

How to use cofounder in a sentence

The effort to sterilize his image first began when Epstein hired Los Angeles-based spin doctors Sitrick Co.
Sleazy Billionaire’s Double Life Featured Beach Parties With Stephen Hawking|M.L. Nestel|January 8, 2015|DAILY BEAST
Reached Tuesday, a Sitrick Co. rep confirmed they parted ways with Epstein in April 2011.
Sleazy Billionaire’s Double Life Featured Beach Parties With Stephen Hawking|M.L. Nestel|January 8, 2015|DAILY BEAST
They say it's frightening how the real CIA is perceived to be as clueless as Archer Co.
‘Archer’ Creator Adam Reed Spills Season 6 Secrets, From Surreal Plotlines to Life Post-ISIS|Marlow Stern|January 8, 2015|DAILY BEAST
Eva Silverman, who co-hosts an Oakland Dinner Party, agrees.
Everyone at This Dinner Party Has Lost Someone|Samantha Levine|January 6, 2015|DAILY BEAST

Since then, the app has gained over 165,000 users in more than 70 countries, according to its founder.
My Week on Jewish Tinder|Emily Shire|January 5, 2015|DAILY BEAST
In this case, I suspect, there was co-operant a strongly marked childish characteristic, the love of producing an effect.
Children's Ways|James Sully
The conception of the relation of this institution with them as co-operative makes headway slowly.
Readings in Money and Banking|Chester Arthur Phillips
Then they were to co-operate with an army moving up from Arkansas, and the State would be redeemed.
The Courier of the Ozarks|Byron A. Dunn
And the Process or Method of study, if it be an Assimilating one, also compels this co-operation.
Assimilative Memory|Marcus Dwight Larrowe (AKA Prof. A. Loisette)
The leaguers were now anxious to co-operate with the Americans in compelling the Spaniards to evacuate the Archipelago.
The Philippine Islands|John Foreman