sideline Hear it!

sideline definition

side·line (sīd′līn′)

noun

a line at or along the side; specif.,
  1. either of two lines marking the side limits of a playing area, as in football or tennis
  2. the areas just outside these lines
  3. a small line branching off the main line, as of a railroad, pipeline, etc.
  4. ☆ a line, as of merchandise or work, in addition to one's main line

transitive verb sidelined -·lined′, sidelining -·lin′·ing

☆ to remove from active participation sidelined by an injury

Related Forms:

sideline Idioms

on the sidelines

☆
  1. in the area along the sidelines
  2. outside the main sphere of action
  3. not actively participating

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.