Meaning of the word "self defeating" in English

What does "self defeating" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

self defeating

US /ˌself dɪˈfiːtɪŋ/
UK /ˌself dɪˈfiːtɪŋ/

Adjective

causing more problems and difficulties for yourself than it solves

Example:
His constant negativity was a self-defeating attitude.
Such strict rules can be self-defeating, as they often lead to rebellion.