Pronunciation IPA (key): /dʒʌmbəl/ Audio (US)(file) Noun Singular jumble Plural jumbles (countable) A jumble is a group of things that are all mixed up. Verb Plain form jumble Third-person singular jumbles Past tense jumbled Past participle jumbled Present participle jumbling To jumble something is to mix it up. The puzzle pieces have been jumbled.Wikiwand - on Seamless Wikipedia browsing. On steroids.