co-host: meaning, definition, pronunciation and examples
B2Neutral to formal in media/business; informal in social contexts.
Quick answer
What does “co-host” mean?
A person who hosts an event, programme, or activity together with another host.
Audio
Pronunciation
Definition
Meaning and Definition
A person who hosts an event, programme, or activity together with another host.
To serve as a joint host; to share hosting duties. Can also refer to the role itself or to a platform/service that shares hosting responsibilities (e.g., a co-host on a webinar platform).
Dialectal Variation
British vs American Usage
Differences
UK strongly prefers hyphenated form 'co-host' for both noun and verb. US shows variation, with 'cohost' (closed) gaining ground, especially in tech/media.
Connotations
Neutral in both varieties. Implies collaboration and shared responsibility.
Frequency
More frequent in US media/business language, but common in both.
Grammar
How to Use “co-host” in a Sentence
[someone] co-hosts [something] with [someone][something] is co-hosted by [someone] and [someone]Vocabulary
Collocations
Examples
Examples of “co-host” in a Sentence
verb
British English
- She agreed to co-host the charity gala.
- The two journalists will co-host the new panel show.
American English
- He cohosted the awards ceremony last year.
- They are cohosting a podcast about film history.
adjective
British English
- He took on the co-host role.
- The co-host responsibilities were clearly defined.
American English
- She was a cohost producer on the show.
- They discussed the cohost agreement.
Usage
Meaning in Context
Business
Refers to sharing organisational duties for events, meetings, or platforms.
Academic
Used for conferences, symposiums, or jointly organised lectures.
Everyday
Common for parties, social gatherings, or community events.
Technical
In computing, can refer to a server sharing hosting duties (less common).
Watch out
Common Mistakes When Using “co-host”
- Using 'cohost' without hyphen in UK formal writing.
- Using 'co-host' as a verb without an object (e.g., 'They will co-host').
- Confusing with 'cohort'.
FAQ
Frequently Asked Questions
In American English, yes, it is common, especially in digital/media writing. In British English, the hyphenated form 'co-host' is standard and expected in formal writing.
Yes, it is commonly used as a verb (e.g., 'They co-hosted the show'). It follows regular verb conjugation rules.
They are often synonymous, especially in broadcasting. 'Co-host' can imply a slightly broader organisational role, while 'co-presenter' focuses strictly on the act of presenting.
In both UK and US English, it is pronounced with two clear stresses: 'CO-HOST'. The first syllable 'co' rhymes with 'go'.
A person who hosts an event, programme, or activity together with another host.
Co-host is usually neutral to formal in media/business; informal in social contexts. in register.
Phrases
Idioms & Phrases
- “play co-host to someone”
Learning
Memory Aids
Mnemonic
Think 'COllaborative HOST' – the 'CO' means together.
Conceptual Metaphor
HOSTING IS SHARING A LOAD (the workload of hosting is distributed).
Practice
Quiz
In which sentence is 'co-host' used correctly in a British English formal context?