1. a loose-fitting outfit consisting of a jacket and pants, typically worn for sports or casual activities

Examples

• She wore a blue tracksuit to the gym.
• The team arrived at the stadium in matching tracksuits.
• He changed into his tracksuit before going for a run.
• The tracksuit was made of comfortable cotton material.
• She zipped up her tracksuit jacket against the cool morning air.
• The children wore their school tracksuits for PE class.