moderator
noun
mod·er·a·tor
ˈmä-də-ˌrā-tər 
plural moderators
1
: someone who presides over an assembly, meeting, or discussion: such as
a
: the chairman of a discussion group
b
: a person who administers an online forum, chat room, or group
c
: the nonpartisan presiding officer of a town meeting
d
: the presiding officer of a Presbyterian governing body
2
: one who arbitrates : mediator
3
: a substance (such as graphite) used for slowing neutrons in a nuclear reactor
Synonyms
Examples of moderator in a Sentence
The moderator allowed audience members to ask the governor questions.
She acts as the moderator in our office meetings.
Recent Examples on the Web
The View is set to be a full situation room on Friday, as all six cohosts — including moderator Whoopi Goldberg, who typically has the day off — are set to sit at the Hot Topics table to break down Donald Trump's historic conviction on 34 felony counts.
—
EW.com, 31 May 2024
Their second debate will be hosted by ABC and is scheduled to take place on Sept. 10 with David Muir and Linsey Davis as moderators.
—Raven Brunner, Peoplemag, 20 May 2024
Participants are supposed to present constructive responses to a moderator’s questions, and then a couple of rebuttals to their opponent’s arguments.
—Letters To The Editor, The Mercury News, 17 May 2024
Then there is the perennial quibble over the exact moderator or moderators.
—Philip Elliott, TIME, 15 May 2024
See all Example Sentences for moderator 
EW.com, 31 May 2024
Their second debate will be hosted by ABC and is scheduled to take place on Sept. 10 with David Muir and Linsey Davis as moderators.
—Raven Brunner, Peoplemag, 20 May 2024
Participants are supposed to present constructive responses to a moderator’s questions, and then a couple of rebuttals to their opponent’s arguments.
—Letters To The Editor, The Mercury News, 17 May 2024
Then there is the perennial quibble over the exact moderator or moderators.
—Philip Elliott, TIME, 15 May 2024
See all Example Sentences for moderator
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'moderator.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Moderator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moderator. Accessed 6 Jun. 2024.
Copy CitationKids Definition
moderator
noun
mod·er·a·tor
ˈmäd-ə-ˌrāt-ər
1
: one that moderates: as
a
: the leader of a Presbyterian governing body
b
: the chairperson of a town meeting
c
: the chairperson of a discussion group (as on television)
2
: a substance (as graphite) used for slowing down neutrons in a nuclear reactor
Medical Definition
moderator
noun
mod·er·a·tor
ˈmäd-ə-ˌrāt-ər
: a substance (as graphite, deuterium in heavy water, or beryllium) used for slowing down neutrons in a nuclear reactor
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