1. self-defeating - Adjective
2. self-defeating - Adjective Satellite
acting to defeat its own purpose
Source: WordNetWhen somebody says that all statements are false, the obvious problem is that as an assertion it's self-defeating. Henry Flynt
This self-defeating behavior, so the argument goes, must be the result of warped domestic politics. John Mearsheimer
Dreaming is one thing, and working towards the dream is one thing, but working with expectations in mind is very self-defeating. Michael Landon
Since ancient times, philosophers have maintained that to strive too hard for one's own happiness is self-defeating. Peter Singer
A government is never more dangerous than when embarking on a self-defeating or downright suicidal course. William S. Burroughs
Instant acceptance of an idea is as self-defeating as instant rejection. Mark Clifton