Sideline Definition

sīdlīn
sidelined, sidelines, sidelining
noun
sidelines
A line at or along the side.
Webster's New World
The space outside such limits, occupied by coaches, inactive players, and spectators.
American Heritage
The position or point of view of those who observe rather than participate in an activity.
The political sidelines.
American Heritage
A subsidiary line of merchandise.
American Heritage
An activity pursued in addition to one's regular occupation.
American Heritage
Synonyms:
verb
sidelined, sidelines, sidelining
To remove from active participation.
Sidelined by an injury.
Webster's New World

To place on the sidelines; to bench or to keep someone out of play.

The coach sidelined the player until he regained his strength.
Wiktionary
idiom
on the sidelines
  • in the area along the sidelines
  • outside the main sphere of action
Webster's New World

Other Word Forms of Sideline

Noun

Singular:
sideline
Plural:
sidelines

Idioms, Phrasal Verbs Related to Sideline

  • on the sidelines

Origin of Sideline

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sideline