1. To become increasingly popular, accepted, or supported; to make progress or headway with an idea, movement, or initiative
The new social media platform is starting to gain traction among younger users.
A nova plataforma de mídia social está começando a ganhar tração entre usuários mais jovens.
2. To achieve grip or hold; to secure physical adhesion or mechanical grip
The tires finally gained traction on the icy road.
Os pneus finalmente ganharam tração na estrada gelada.