Search Dictionary
Definition of insider

insider

/ɪnˈsaɪ.dɚ/
in · sid · er
Plural:insiders
JUMP TO:

insider Lexical Profile

insider Game Scores & Validity

• noun

1

A person within a group, organization, or profession, especially someone who has access to confidential or privileged information unavailable to the general public.

Example

"A political insider revealed that the committee had been debating the policy change for months."

Synonyms
View all synonyms for insider
Antonyms
View all antonyms for insider

• adjective

1

Relating to, originating from, or restricted to privileged members within an organization or group.

Example

"The regulatory board launched an investigation into alleged insider trading among senior executives."

Synonyms
View all synonyms for insider
Antonyms
View all antonyms for insider

• Rhymes for insider

• Nearby Words

inshallah
inshore
inside
insider
insidery
insidious
insidiously

Cite this Entry

Wordmom. (2026). Definition of Insider. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/insider
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.