insider C1 Topic:People & Society US /ɪnˈsaɪdɚ/ See IPA manual Freq #16857 Meanings 1 noun A person who has special knowledge about how a group, company, or organization works from within. As a former employee, she had an insider's view of the company. Thesaurus Synonyms 1 noun · a person who has special... habituéinitiateold hand Word family Forms insiders Derived forms insiderdominsiderishinsiderisminsiderlyinsidernessinsiderynoninsider Related forms in-groupingroupout-groupoutgroup Appears in Phrases (1) See all insider trading trading securities using important confidential information unavailable to the public Noun + noun Etymology From inside + -er. Topics People & Society Word Formation & Derivatives External links Google Images Cambridge Dictionary Wiktionary # insider **Type:** Word **Level:** C1 **Part of speech:** noun **IPA (US):** /ɪnˈsaɪdɚ/ **Frequency rank:** 16857 ## Meanings 1. A person who has special knowledge about how a group, company, or organization works from within. ## Examples - As a former employee, she had an insider's view of the company. ## Derived Forms - insiderdom - insiderish - insiderism - insiderly - insiderness - insidery - noninsider ## Related Forms - in-group - ingroup - out-group - outgroup ## Etymology From inside + -er. ## Topics - People & Society - Word Formation & Derivatives markdown