definition of
bumble

[1] #1 bumble v. [botch, bodge, fumble, botch up, muff, blow, flub, screw up, ball up, spoil, muck up, bungle, fluff, bollix, bollix up, bollocks, bollocks up, bobble, mishandle, louse up, foul up, mess up, fuck up] make a mess of, destroy or ruin; "I botched the dinner and we had to eat out"; "the pianist screwed up the difficult passage in the second movement". wn

[2] #2 bumble v. [stumble, falter] walk unsteadily; "The drunk man stumbled about". wn

[3] #3 bumble v. [stutter, stammer, falter] speak haltingly; "The speaker faltered when he saw his opponent enter the room". wn