on the sidelines

Not actively participating

On the sidelines means watching rather than participating.

The phrase comes from sports, where players not in the game wait at the field's edge.

It extends to anyone excluded from or choosing not to join an activity: She stayed on the sidelines during the debate.

To sit on the sidelines often implies missing an opportunity or being sidelined against one's will.

Related

looking in · waiting · wait and see · sitting out · observer · benched · inactive · out of action · reserved · coach · substitute · backup · peripheral · margin · bystander · dugout · injured · sidelined

Categories
Opposites
participation/involvement

on the sidelinesin the game

Actively participating

in the thick of it · participating · engaged · in action · hands-on

centrality/importance

on the sidelinescenter stage

Position of maximum attention

in the spotlight · in the limelight · front and center · at the helm · in the driver's seat

Family

sideline, sidelines, side, sides, sided, siding, sidelong, sideways, sidebar

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G