1

sideline

play
noun side·line \-ˌlīn\

Definition of sideline

  1. 1 :  a line at right angles to a goal line or end line and marking a side of a court or field of play for athletic games

  2. 2a :  a line of goods sold in addition to one's principal lineb :  a business or activity pursued in addition to one's regular occupation

  3. 3a :  the space immediately outside the lines along either side of an athletic field or courtb :  a sphere of little or no participation or activity —usually used in plural

Examples of sideline in a sentence

  1. She makes and sells jewelry as a sideline.

Circa 1862

First Known Use of sideline

circa 1862


2

sideline

transitive verb side·line

Definition of sideline

  1. :  to put out of action :  put on the sidelines

1943

First Known Use of sideline

1943


SIDELINE Defined for English Language Learners

1

sideline

play
noun side·line \-ˌlīn\

Definition of sideline for English Language Learners

  • : a line that marks the outside edge of a sports field or court

  • : the space outside the area where a game is played on a field or court

  • : a job that is done in addition to your main job


2

sideline

transitive verb side·line

Definition of sideline for English Language Learners

  • : to prevent (a player) from playing in a game especially because of injury, illness, etc.


SIDELINE Defined for Kids

sideline

play
noun side·line \ˈsīd-ˌlīn\

Definition of sideline for Students

  1. 1 :  a line marking the side of a playing field or court

  2. 2 :  a business or a job done in addition to a person's regular occupation


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