participant

noun

par·​tic·​i·​pant pär-ˈti-sə-pənt 

pər-

: one that participates

participants in a contest

participant adjective

Synonyms of participant

• participator
• player

Examples of participant in a Sentence

he seemed to be a willing participant in the prank

Recent Examples on the Web

The program has reached more than 4,900 participants from 149 countries and territories since 2001, with 155 former campers advancing to the NBA or WNBA, the league said. — Jason Beede, The Orlando Sentinel, 5 Aug. 2026

The race to develop Bundibugyo-specific vaccines broadened Tuesday with the announcement that Moderna has started enrolling participants in a Phase 1 clinical trial of its messenger RNA vaccine. — Theresa Gaffney, STAT, 5 Aug. 2026

The less healthy participants had a higher body mass index and prevalence of stroke, and lower physical activity and educational attainment. — Kristen Rogers, CNN Money, 5 Aug. 2026

Blockchain validators are participants that verify transactions, help secure the network and add new blocks to the blockchain. — Tanaya MacHeel, CNBC, 5 Aug. 2026

Word History

First Known Use

1543, in the meaning defined above

Kids Definition

participant

noun

par·​tic·​i·​pant pər-ˈtis-ə-pənt 

pär-

: one that participates