Definitions
1.NounA confusion; a jumble.
2.VerbTo act or move in an awkward or confused manner . .mw-parser-output .defdate{font-size:smaller}"Spiders build webs and wait for insects to bumble into them."
3.VerbTo carry out (a task) clumsily, incompetently, or with many careless mistakes; to bungle, to botch.
4.VerbTo boom, as a Eurasian bittern.
5.VerbTo buzz or bum.
6.VerbTo speak in a rambling, incoherent, or indistinct manner, especially at tedious length.
7.VerbTo grumble at; to blame.
8.NounA bumblebee.
9.NounA Eurasian bittern.