He carried a whistle for self-protection when walking home alone at night.

The new greenhouse uses a self-supporting framework that reduces the need for external scaffolding.

The new generator is self-starting and kicks in instantly during a power outage.

The self-regulatory mechanisms within the organization helped prevent ethical lapses.

Her self-destructive decisions repeatedly jeopardized her career and well-being.

She met her self-imposed deadline despite numerous setbacks.

Her decision to show self-restraint during the heated debate impressed everyone in the room.

A self-respecting chef would never serve undercooked risotto to paying customers.

The self-perpetuating rumor spread faster than anyone could stop it.

After weeks of denial, his chronic stress became obviously self-induced, making recovery much harder.