co-host

American  

[koh-hohst, koh-hohst, koh-hohst] / ˌkoʊˈhoʊst, ˈkoʊˌhoʊst, ˈkoʊˌhoʊst /

Or cohost

verb (used with or without object)

1. to host (a program) jointly with at least one other person.

   It’s a daily talk show co-hosted by three women.

   They were a beloved comedy duo who cohosted on radio for 14 years before taking their variety hour to television.

---

noun

1. a person who hosts a program jointly with at least one other person.

   Everyone was surprised when his co-host left the show at the peak of its popularity.

Etymology

Origin of co-host

First recorded in 1905–10 for the noun; co- ( def. ) + host ¹ ( def. )

Example Sentences

Clarkson went on to co-host “The Grand Tour” on Prime Video alongside Richard Hammond and James May, who departed “Top Gear” shortly after their co-host’s firing.

From Los Angeles Times • Jun. 17, 2026

As a soccer economist and co-host of the Soccernomics podcast, it is a question I have long thought about.

From Salon • Jun. 14, 2026

As international fans flooded into the three tournament co-host countries, Mexico is grappling with chaotic teacher protests in its capital.

From Barron's • Jun. 10, 2026

World Cup co-host Mexico has a light travel schedule.

From The Wall Street Journal • Jun. 7, 2026

In 1975 he became the traveling co-host of Good Morning America on ABC network; in the 20 months that followed, his assignments took him to more than two dozen countries.

From 100 New Yorkers of the 1970s by Millard, Max