'Self-preservation' definitions:

Definition of 'self-preservation'

From: WordNet
noun
Preservation of yourself from harm; a natural or instinctive tendency

Definition of 'Self-preservation'

From: GCIDE
  • Self-preservation \Self`-pres`er*va"tion\, n. The preservation of one's self from destruction or injury. [1913 Webster]

Synonyms of 'self-preservation'

From: Moby Thesaurus