Non-lethal Definition

adjective

Not capable of causing death.

Because animals can become bait shy when they consume a non-lethal dose that merely makes them sick, it is generally recommended that the applicator pre-bait the animals with untreated bait.
Wiktionary

Designed to cause incapacitation without causing death.

Government officials think a universal malodor, or offensive odor, might prove effective as a non-lethal weapon.
Wiktionary