Synonyms of participant

participant

noun

pär-ˈti-sə-pənt 

as in participator

one who takes part in something

he seemed to be a willing participant in the prank

Synonyms & Similar Words

• participator
• player
• actor
• partner
• sharer
• party
• partaker
• assistant
• helper
• aide
• colleague
• accessory

Antonyms & Near Antonyms

• observer
• spectator
• nonparticipant
• bystander
• onlooker
• watcher
• wallflower
• looker-on

Example Sentences

Recent Examples of participant

The researchers measured the participants’ stress responses, including their heart rate and salivary cortisol levels, before and after the test. — Payal Dhar, Scientific American, 7 Sep. 2026

On Sunday morning, great clouds covered the tops of the city’s tallest skyscrapers, but the weather cleared up while the mother and daughter cruised together as participants in Bike the Drive. — Finnegan Belleau, Chicago Tribune, 6 Sep. 2026

The limitations To get the most accurate reading possible, Kostrna used BMI to help screen initial participants and then used a more accurate body-fat percentage exam for their individual sessions. — Michelle Marchante september 4, Miami Herald, 4 Sep. 2026

What’s more, many meditation studies are funded by pro-meditation organizations, and some study participants might feel pressured to say that their mental health improved after meditating. — Olga Khazan, The Atlantic, 4 Sep. 2026