unclear; fuzzy; obscure or inexplicit

(idiom) to be badly mangled or mutilated; gruesome or bloody in appearance, often describing severe injuries from an accident or disaster

unclear, hazy, or blurred; lacking clarity in sight, sound, or memory

the quality of being unclear or imprecise; fuzziness

The branch of mathematics dealing with fuzzy sets and logic

fuzzy logic or fuzzy set theory; a mathematical system established by Lotfi A. Zadeh in 1965 that models human reasoning and perception by using imprecise or approximate data instead of traditional binary values

A form of logic used in computing where values can be any number between 0 and 1 rather than just true or false