— bumblingly , adv.
/bum"bling/ , adj.
1. liable to make awkward blunders: a bumbling mechanic.
2. clumsily incompetent or ineffectual: bumbling diplomacy.
n.
3. the act or practice of making blunders: The bumbling of their officers cost them the battle.
[ 1525-35; BUMBLE 1 + -ING 2 ]