# MSM

CEFR C1 · Noun

Source: https://englishreference.com/word/msm
Updated: 2026-05-10

## Definition

Stands for men who have sex with other men. This term is used in health and social research to talk about behavior rather than how people identify themselves.

For teachers: Abbreviation for men who have sex with other men. A demographic category used in medical and sociological research to describe males who engage in sexual activity with other males, regardless of their sexual orientation. Often used to track public health trends without relying on identity labels like gay or bisexual.

## Examples

- Health clinics provide specific resources for MSM.
- Public health initiatives often target MSM to ensure that preventative care reaches those who may not identify with traditional LGBTQ+ labels.
- Epidemiological studies utilize the MSM classification to accurately monitor transmission rates within specific behavioral networks while bypassing the sociological complexities of individual sexual identity.

## Usage notes

- Used as a collective plural noun or as a modifier before another noun (e.g., 'MSM communities').

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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.