Meaning of the word sidelines in English

What does sidelines mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sidelines

Noun

an activity that you do as well as your main job:

Example:
Jim works in a bank, but teaches French in the evenings as a sideline.

Verb

If a sports player is sidelined they are prevented from playing or competing, and can only watch:

Example:
Johnson has been sidelined through injury.