1. Unclear or imprecise differences between two or more things; boundaries that are not well-defined or sharply delineated
The fuzzy distinctions between art and science have long been debated by philosophers.
As distinções vagas entre arte e ciência têm sido debatidas por filósofos há muito tempo.
2. Ambiguous or blurred categorical separations that lack clear criteria for differentiation
There are fuzzy distinctions between different genres of music in modern times.
Existem distinções vagas entre diferentes gêneros de música nos tempos modernos.