Words / B2

in-SYD-uh/ɪnˈsaɪdə/

An insider belongs to a group and knows its private information: an industry insider; insider dealing. Outsider is the opposite. An insider leaked the boundaries. News and finance (insider trading). Do not call a year-7 who knows the canteen menu an insider in a serious story.

Meaning

A person who belongs to an organisation and knows its private information.

Examples

• “An insider leaked the grade boundaries before the embargo lifted.”
• “Insider dealing is a criminal offence, which is the City sense.”

Good to know

an insider; insider dealing / trading / knowledge. Opposite: outsider. News and FCA English. Privileged access, not a casual fan.

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