| n. | 1. | (Zool.) The bittern. |
| v. i. | 1. | To make a hollow or humming noise, like that of a bumblebee; to buzz; to cry as a bittern. |
| 1. | to act ineptly or without clear understanding of what one is doing; to blunder; to stumble about; - sometimes used with | |
| v. t. | 1. | to bungle (a task). |
| Verb | 1. | bumble - 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" |
| 2. | bumble - walk unsteadily; "The drunk man stumbled about" | |
| 3. | bumble - speak haltingly; "The speaker faltered when he saw his opponent enter the room" |