insider

adjective/ˈɪnˌsaɪdər/

Frequency rank: #5,555 most common English word

Meaning

a person who has special knowledge or access because they are part of a particular group or organization.

Illustration for the English word “insider”

Example sentence

She worked at the company for years, so she had insider knowledge about how decisions were really made.

Synonyms & related words

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