Meaning of FUZZY in English
■ adjective ( fuzzier , fuzziest )
1》 having a frizzy texture or appearance.
2》 indistinct or vague.
↘(of an electric guitar) having a distorted, buzzing sound.
3》 Computing & Logic relating to a form of set theory and logic in which predicates may have degrees of applicability, rather than simply being true or false.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004