sideline

(sīdlīn′)

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, sidelining

☆ to remove from active participation: sidelined by an injury

Related Forms:

See sideline in American Heritage Dictionary 4

noun
  1. Sports
    a. A line along either of the two sides of a playing court or field, marking its limits.
    b. sidelines The space outside such limits, occupied by coaches, inactive players, and spectators.
  2. sidelines The position or point of view of those who observe rather than participate in an activity: the political sidelines.
  3. A subsidiary line of merchandise.
  4. An activity pursued in addition to one's regular occupation.
transitive verb side·lined, side·lin·ing, side·lines
Informal
To remove or keep from active participation.

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