# IOC

CEFR B2 · Noun

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

## Definition

Stands for International Olympic Committee. The group of people who organize and manage the Olympic Games every four years.

For teachers: Abbreviation for International Olympic Committee. The non-governmental organization responsible for supervising and administering the Olympic Games. When used in a business or computing context, it may refer to an 'Indicator of Compromise' — evidence that a system has been breached.

## Examples

- The IOC announced the host city for the next Summer Olympics.
- Athletes must follow the strict anti-doping rules set by the IOC to remain eligible for competition.
- While the IOC is primarily known for managing global sports events, cybersecurity professionals use the same acronym to describe digital artifacts that suggest a network security threat has occurred.

## Usage notes

- Usually functions as a proper noun and is written in capital letters; often takes a singular verb in American English and a plural verb in British English.

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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.