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Synonyms

sidekick

American  
[sahyd-kik] / ˈsaɪdˌkɪk /

noun

  1. a close friend.

  2. a confederate or assistant.


sidekick British  
/ ˈsaɪdˌkɪk /

noun

  1. informal a close friend or follower who accompanies another on adventures, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sidekick

An Americanism dating back to 1900–05; side 1 + kick

Explanation

A sidekick is a buddy who comes with you on your adventures. If you’re a superhero, your sidekick helps you fight crime. Electra Woman’s sidekick was the teenage Dyna Girl, and in the ‘70s they defeated villains on TV. A sidekick might be a work assistant, a best friend, or even a devoted dog that follows you to school every day. Sometimes this word signifies an imbalance of power, though; if you say, “This is my sidekick, Sarah," it implies that Sarah has less authority than you do. The origin of this word is unknown, but we do know that it appeared after the terms side-pal and side-partner fell out of fashion.

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Vocabulary lists containing sidekick

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.

“The Mandalorian,” in which Pedro Pascal plays a bounty hunter who works with a sidekick that fans nicknamed “Baby Yoda,” has been the most successful and a big hit in consumer-product sales.

From The Wall Street Journal • May 24, 2026

He also helped introduce the Batman villain Killer Croc, as well as Jason Todd, the young man who would succeed Dick Grayson as Batman’s sidekick Robin.

From Los Angeles Times • Apr. 28, 2026

Characters are caricatures, be it a villain that feels plucked from a cartoon western, complete with a purring raccoon for a sidekick, to a greedy wannabe politician of a bank manager.

From Los Angeles Times • Mar. 17, 2026

“The advent of consumer AI platforms is a chance to put an expert-level sidekick on your computer or phone, 24/7,” he said.

From The Wall Street Journal • Feb. 16, 2026

He runs off toward the television, with his trusty twin sidekick behind him.

From "A Place at the Table" by Saadia Faruqi and Laura Shovan

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