momentumless

adjective

1. Without momentum; lacking physical or figurative force, speed, or progress.

   C1
   • "The peace talks were momentumless and seemed unlikely to produce an agreement."C1
   • "After losing two games in a row, the team's season felt momentumless."B2

2. In physics: having zero momentum.

   C2

   technicaltechnical

   • "In classical mechanics, an object at rest is momentumless."C2