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noun Uncommon

insider

ihn-SYD
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Insider (noun) means someone with privileged knowledge of how a group or organization really operates. Example: “Only an insider could have leaked those documents.”

noun
1
Someone with privileged knowledge of how a group or organization really operates.
"Only an insider could have leaked those documents."
"Industry insiders predicted the merger months in advance."
"As an insider, he knew which managers were quietly planning to leave."

How to use insider

Learner’s notes

In plain EnglishSomeone who is part of a group and therefore knows things outsiders don't.

Easily confused with
Common pairings
industry insider insider trading insider knowledge
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Word forms

Plural
insiders
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Only an _____ could have leaked those documents.

Etymology

From inside + the agent suffix -er.

Related words

Rhymes for insider

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Frequently asked questions

What does “insider” mean?
The word “insider” means someone with privileged knowledge of how a group or organization really operates. In plain terms, someone who is part of a group and therefore knows things outsiders don't.
How do you pronounce “insider”?
“Insider” is pronounced ihn-SYD (/ɪnˈsaɪdɚ/ in IPA).
How do you use “insider” in a sentence?
Here is “insider” used in a sentence: “Only an insider could have leaked those documents.”
What part of speech is “insider”?
“Insider” is a noun.
Is “insider” a common word?
“Insider” is an uncommon word in modern English.
What is the difference between an insider and an outsider?
An insider has privileged knowledge of how a group or organization really operates, gained from being part of it, while an outsider lacks that access and firsthand understanding. The distinction is central to phrases like "insider knowledge" versus an outside perspective.
What is a common phrase using insider?
Common phrases include "insider knowledge," "insider information," and "industry insider," all describing privileged access or understanding not available to the general public.

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