Search Result for "stumbler": 
Wordnet 3.0

NOUN (2)

1. a walker or runner who trips and almost falls;
[syn: stumbler, tripper]

2. someone who makes mistakes because of incompetence;
[syn: bungler, blunderer, fumbler, bumbler, stumbler, sad sack, botcher, butcher, fuckup]



The Collaborative International Dictionary of English v.0.48:

Stumbler \Stum"bler\, n.
   One who stumbles.
   [1913 Webster]


WordNet (r) 3.0 (2006):

stumbler
    n 1: a walker or runner who trips and almost falls [syn:
         stumbler, tripper]
    2: someone who makes mistakes because of incompetence [syn:
       bungler, blunderer, fumbler, bumbler, stumbler,
       sad sack, botcher, butcher, fuckup]