Search Result for "self-defeating": 
Wordnet 3.0

ADJECTIVE (1)

1. acting to defeat its own purpose;
- Example: "it is self-defeating...to ignore the progress of events"



WordNet (r) 3.0 (2006):

self-defeating
    adj 1: acting to defeat its own purpose; "it is self-
           defeating...to ignore the progress of events"