1. to reduce or lessen the difference or inequality between two things, groups, or conditions
The new policies aim to diminish the disparity between rich and poor regions.
As novas políticas visam reduzir a disparidade entre regiões ricas e pobres.
2. to make smaller the gap or discrepancy that exists
Education programs help diminish the disparity in academic achievement.
Programas educacionais ajudam a reduzir a disparidade no desempenho acadêmico.