Definition of gibberish noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈdʒɪbərɪʃ//
; NAmE NAmE//ˈdʒɪbərɪʃ//
[uncountable] (informal)
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words that have no meaning or are impossible to understand synonym nonsense You were talking gibberish in your sleep. After a while I stopped listening to his stream of gibberish. She was mumbling a strange gibberish as she prepared the mixture. Word Originearly 16th cent.: perhaps from gibber (but recorded earlier) + the suffix -ish (denoting a language as in Spanish, Swedish, etc.).
See the Oxford Advanced American Dictionary entry: gibberish