What does "participant" mean?

1. (someone taking part) a person who joins in an activity or event. 2. (medical/research subject) a person who is part of a medical test or a scientific study. 3. (sharing or taking part) describing someone or something that is sharing in an action.

How do you use "participant"?

Usually placed before the noun it modifies.

participant

n. · adj.

US //pɑɹˈtɪsəpənt// UK //pɑːtˈɪsɪpənt// par·tic·i·pant

1 someone taking part (n.)
B1 Intermediate

a person who joins in an activity or event.

an individual who takes part in a specific activity, event, or social interaction.

Example

Each participant in the workshop received a certificate at the end of the day.

Example

The study required every participant to maintain a detailed log of their dietary habits over a six-month period.
- observer
- spectator
2 medical/research subject (n.)
B2 Upper Intermediate Academic Medicine

a person who is part of a medical test or a scientific study.

an individual enrolled in a clinical trial or research project.

Example

The doctor explained the risks to every participant before the medical trial began.

Example

Researchers noted that several participants withdrew from the clinical trial due to unforeseen side effects during the second phase.
- subject
- volunteer

Show 1 more senseShow fewer

3 sharing or taking part (adj.)
C1 Advanced Formal

describing someone or something that is sharing in an action.

sharing in or having a part of something; often used in formal or legal contexts to describe involvement.

Example

The participant nations agreed to the new trade rules.

Example

The participant observers remained within the community for a year to document social changes from an internal perspective.

Usage

Usually placed before the noun it modifies.
- involved
- participating
- non participating

Origin

Borrowed from Middle French participant, from Latin participāns, present participle of participō; see participate. Displaced native Old English dǣlnimend (literally “part taker”).