mediator

noun

me·​di·​a·​tor ˈmē-dē-ˌā-tər 

1

: one that mediates

especially : one that mediates between parties at variance

2

: a mediating agent in a physical, chemical, or biological process

Synonyms

• broker
• buffer
• conciliator
• go-between
• honest broker
• interceder
• intercessor
• intermediary
• intermediate
• interposer
• middleman
• peacemaker

Examples of mediator in a Sentence

if you two cannot resolve this argument on your own, we'll have to bring in a mediator

Recent Examples on the Web

Federal mediators are on site, ready to assist the parties. —Lori Ann Larocco, CNBC, 4 Nov. 2024

Israeli officials said Netanyahu and his advisers have already been in contact with the Biden administration and the Qatari and Egyptian mediators about the future of the deal. —Barak Ravid, Axios, 17 Oct. 2024

Kimble added that Georgia-Pacific has also contacted the union members and the mediator, indicating their willingness to meet and resume negotiations. —Hema Sivanandam, The Mercury News, 30 Sep. 2024

The mediator wields the threat of publicly blaming the recalcitrant party or parties for the failure of talks. —Andrew P. Miller, Foreign Affairs, 29 Sep. 2024

Word History

First Known Use

14th century, in the meaning defined at sense 1

Kids Definition

mediator

noun

me·​di·​a·​tor ˈmēd-ē-ˌāt-ər 

: one that mediates

mediatory

-ē-ə-ˌtōr-ē

-ˌtȯr-

adjective

Medical Definition

mediator

noun

me·​di·​a·​tor ˈmēd-ē-ˌāt-ər 

: one that mediates

especially : a mediating agent (as an enzyme or hormone) in a chemical or biological process

substance P, a neuropeptide mediator of analgesic stimuli in peripheral sensory nerves

—D. R. Robinson

Legal Definition

mediator

noun

me·​di·​a·​tor ˈmē-dē-ˌā-tər 

: one that works to effect reconciliation, settlement, or compromise between parties at variance compare arbitrator