1. The state or condition of failing to accomplish goals, objectives, or desired results; absence of success or accomplishment
His lack of achievement in school worried his parents.
A falta de realização dele na escola preocupava seus pais.
2. Inability or failure to reach a standard of performance or attainment
The company's lack of achievement in meeting quarterly targets led to budget cuts.
A falta de realização da empresa em atingir as metas trimestrais levou a cortes orçamentários.