insider

[in-sahy-der] / ˌɪnˈsaɪ dər /

NOUN

accessory

Synonyms

STRONG

abettor accomplice aid aide assistant associate colleague confederate conspirator helper partner plant ringer shill stall subordinate

WEAK

co-conspirator

Antonyms

STRONG

antagonist boss enemy foe leader opponent superior

WEAK

principal

NOUN

accomplice

Synonyms

STRONGEST

aide associate co-conspirator collaborator conspirator

STRONG

abettor accessory aid ally assistant colleague confederate partner plant stall

Antonyms

STRONG

antagonist enemy

WEAK

adversary opponent

NOUN

cognoscente

Synonyms

STRONG

connoisseur critic expert judge specialist

Antonyms

STRONG

ignoramus

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

We found at least 18 other videos Polymarket paid to promote that discussed opportunities for insider trading.

From The Wall Street Journal • Jun. 22, 2026

Coplan himself described concerns about insider trading on Polymarket as “outlandish and baseless.”

From The Wall Street Journal • Jun. 22, 2026

Boloor also pointed to SpaceX’s low float and staged lockup of insider shares, which will potentially prevent a single mass-selling opportunity.

From MarketWatch • Jun. 20, 2026

A government insider said: "On Saturday he phoned his closest allies and said, 'I'm sure I could win.'"

From BBC • Jun. 20, 2026

Many times the primary author does not have enough insider knowledge of the language, and has to rely on someone with that knowledge to help with song lyrics and other cultural attributes.

From "Music and the Child" by Natalie Sarrazin

insider

Example Sentences

Related Words