1. A path, route, or journey that presents difficulties, obstacles, or complications
The problematic trajectory of the project led to its eventual cancellation.
O trajeto problemático do projeto levou ao seu eventual cancelamento.
2. A course or direction that is fraught with challenges or unfavorable circumstances
His problematic path in life required many interventions and support.
Seu trajeto problemático na vida exigiu muitas intervenções e apoio.