Learner's definition of FUZZY
1 : covered with short, soft hairs, fur, etc. : covered with fuzz 2 a : not clear : not sharp or distinct
b : not clear in thought
The picture in the newspaper is fuzzy. [=blurred, blurry]
Without my glasses everything looks fuzzy.
The line between our areas of responsibility is fuzzy.
3 US, informal : pleasant or comforting — usually used with warm
Seeing her again after all these years gave me a warm, fuzzy feeling.
His personality is not exactly warm and fuzzy.