Definitions

1. noun

a person, typically a young or junior colleague, who accompanies and supports a more senior person, especially in a public or official capacity

“He was the sidekick to the popular comedian on the television show.”

2. noun

a person or thing that accompanies or supports someone or something else

“The superhero had a trusty sidekick who helped her save the day.”

3. verb

to accompany or support someone or something else

“She sidekicked her friend to the amusement park for a fun day out.”

4. verb

to act as a sidekick to someone or something

“He sidekicked the famous actor in the movie.”