gobbledegookPronunciation: /ˈgɒb(ə)ldɪˌguːk, -ˌgʊk/ (also gobbledygook)Definition of gobbledegook noun [mass noun] informal language that is meaningless or is made unintelligible by excessive use of technical terms:reams of financial gobbledegookOrigin: 1940s (originally US): probably imitating a turkey's gobblegobbledegook in other Oxford dictionaries Definition of gobbledegook in the US English dictionary