Definition of self-destroying in US English:

self-destroying

adjective

  • Destroying or capable of destroying oneself or itself; self-destructive.

    • ‘A geek is a person, male or female, with an abiding, obsessive, self-effacing, even self-destroying love for something besides status.’
    • ‘Religious fundamentalism is probably a tougher nut than the self-destroying logic of communism.’