Definitions:

1. to make a mess of, destroy or ruin verb
   • I bumbled the dinner party with my drunken antics.
2. to speak haltingly verb
   • They bumbled so much I couldn't understand.
3. to walk unsteadily verb
   • The partiers bumble up the street after having some drinks.

Synonyms:

• bobble
• falter
• stumble

NearBy Words:

• bumblebee
• bumbler