Search Result for "unsuccessfully": 
Wordnet 3.0

ADVERB (1)

1. without success;
- Example: "she tried unsuccessfully to persuade him to buy a new car"



The Collaborative International Dictionary of English v.0.48:

Unsuccessful \Un`suc*cess"ful\, a.
   Not successful; not producing the desired event; not
   fortunate; meeting with, or resulting in, failure; unlucky;
   unhappy. -- Un`suc*cess"ful*ly, adv. --
   Un`suc*cess"ful*ness, n.
   [1913 Webster]


WordNet (r) 3.0 (2006):

unsuccessfully
    adv 1: without success; "she tried unsuccessfully to persuade
           him to buy a new car" [ant: successfully]