Antonyms of moderator from BoostVocab

moderator

/'mɑdə,reɪtər/

noun
any substance used to slow down neutrons in nuclear reactors
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type of:
inhibitor

part of:
reactor nuclear reactor
noun
in the Presbyterian church, the officer who presides over a synod or general assembly
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type of:
presiding officer
noun
someone who mediates disputes and attempts to avoid violence
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type of:
intermediator mediator go-between intercessor intermediary
noun
someone who presides over a forum or debate
- + New List
type of:
presiding officer

Antonyms of moderator

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