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

This year’s participants include Amazon Web Services (AWS), Kling AI, Google DeepMind and Alibaba Group, alongside a range of other technology and content companies and startups. — Naman Ramachandran, Variety, 26 Aug. 2026

The scientists followed participants for up to 14 years and examined how changes in body mass index, or BMI, and waist circumference were associated with the risk of death. — Faye Chiu, CNN Money, 26 Aug. 2026

Some participants loved the program, which, like EST, took place over four days and focused on personal transformation. — Christopher Cox, Vanity Fair, 26 Aug. 2026

In April, Revolution released promising late-stage clinical trial results for study participants with advanced pancreatic cancer. — Ken Alltucker, USA Today, 26 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