insider

/ɪnˈsaɪdə(r)/ (bre, ipa) · /ɪnˈsaɪdər/ (ame, ipa) · /(ˌ)in-ˈsī-dər ˈin-ˌsī-/ (ame, mw)

insider — noun

  • insidersingular
  • insidersplural

1. a person who belongs to a particular group or organization and therefore knows t

1.名詞B2
釋義

a person who belongs to a particular group or organization and therefore knows things about it that people outside the group do not know

例句

After ten years, Noor was enough of a party insider to know the candidates.

be + enough of an insider + to-infinitive

A reporter called an insider at the hospital to ask about the new cancer treatment.

同義詞
  • member

    any person belonging to a group; does not imply having special knowledge

  • initiate

    someone who has been formally admitted into a group; more formal and suggests a ritual or process

  • confidant

    a person trusted with private matters; emphasizes secrecy rather than group membership

反義詞
  • outsider

    a person who does not belong to a particular group or organization

用法筆記

Often appears in the pattern 'enough of an insider' and in compound nouns such as 'party insider' or 'Washington insider'.

常見錯誤

❌She is an insider of the team.
✅She is an insider on the team.
💡use 'on' or 'in' rather than 'of' after 'insider'.

2. a person who works for a company or has a close relationship with it and has acc

2.名詞B2
釋義

a person who works for a company or has a close relationship with it and has access to private financial or operational information that people outside the company cannot get

例句

Securities laws forbid company insiders from trading shares based on unpublished financial results.

forbid insiders from [gerund]

The quarterly results were leaked by an insider before the official release.

passive: leaked by an insider

同義詞
  • director

    a specific role on a company board; narrower in meaning

  • officer

    a corporate position; implies authority but not necessarily access to all confidential data

反義詞
  • outsider

    a person not employed by or connected to the company

用法筆記

Frequently passive or followed by 'from' + gerund in legal contexts describing restrictions. The compound 'insider trading' refers to the illegal practice of buying or selling shares using non-public information.

常見錯誤

❌Every employee is an insider.
✅Only employees with access to private company data are considered insiders.
💡not all employees have confidential information; 'insider' has a specific legal meaning.