# participant

/pɑɹˈtɪsəpənt/ (US) · /pɑːtˈɪsɪpənt/ (UK)

Source: https://englishreference.com/word/participant
Updated: 2026-06-20

## Senses

### 1. someone taking part

noun · CEFR B1

a person who joins in an activity or event.

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

- Each participant in the workshop received a certificate at the end of the day.
- The study required every participant to maintain a detailed log of their dietary habits over a six-month period.

### 2. medical/research subject

noun · CEFR B2 · Academic

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

For teachers: an individual enrolled in a clinical trial or research project.

- The doctor explained the risks to every participant before the medical trial began.
- Researchers noted that several participants withdrew from the clinical trial due to unforeseen side effects during the second phase.

### 3. sharing or taking part

adjective · CEFR C1 · Formal

describing someone or something that is sharing in an action.

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

- The participant nations agreed to the new trade rules.
- 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.

## Examples

- Each participant receives a certificate at the end of the course.
- The medical trial requires every participant to keep a daily log of their symptoms for six months.
- Researchers noted that while the initial pool of candidates was large, only half of the participants completed the final phase of the longitudinal study.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.