Join Us On

An Encyclopædia Britannica Company

Spanish Central

Browse Dictionary Browse Thesaurus

Get our free apps!iPhone•iPad•Android

Word of the Day

Blog: Words at Play

Thesaurus

participant

noun

Synonyms and Antonyms of PARTICIPANT

one who takes part in something <he seemed to be a willing participant in the prank>

Synonyms actor, partaker, participator, party, player, sharer

Related Words accessory (also accessary), aide, assistant, helper; colleague, partner

Near Antonyms bystander, looker-on, observer, onlooker, spectator, watcher; wallflower

Antonyms nonparticipant

Learn More About

Dictionary: Definition of "participant"

Spanish Central: Spanish translation of "participant"

Nglish: Translation of "participant" for Spanish speakers

Britannica English: Translation of "participant" for Arabic speakers

Browse

Seen & Heard

What made you want to look up participant? Please tell us where you read or heard it (including the quote, if possible).

View Seen & Heard Highlights from Around the Site

Test Your Vocabulary!

10 Charming Words for Nasty People

Put-downs with flair

When "Literally" isn't, well, literal

How to use a word that (literally) drives some people nuts.

Know what this is?

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears

Join Us

Merriam-Webster
on Facebook

Merriam-Webster
on Twitter

Bookstore: Digital and Print

Merriam-Webster references for Mobile, Kindle, print, and more.

See All

Other Merriam-Webster Dictionaries

© Merriam-Webster, Incorporated