Self-destructive (adjective)

Characterized by behavior or actions that are harmful or destructive to oneself.

Origin:

The word "self-destructive" has its roots in the late 17th century and it was originally used as a military term to describe weapons or systems that were capable of destroying themselves. later it was used to describe people or behavior that had a negative impact on oneself.

Examples:

1. She developed a self-destructive habit of cutting herself.
2. His excessive drinking was a self-destructive behavior that ruined his health and relationships.
3. The company's focus on short-term profits at the expense of long-term sustainability is self-destructive.
4. The self-destructive pattern of overeating and not exercising ultimately led to his untimely death.
5. She had a tendency towards self-destructive behavior, such as drugs and partying.