From an external source; not innate or inherent, foreign.
Accidental, additional, appearing casually.
Developing in an unusual place or from an unusual source.
Not congenital; acquired.
Invigorating or life-giving.
Very important.
Containing life; living.
Necessary to continued existence.
Necessary to the continuation of life; being the seat of life; being that on which life depends.
Capable of living; in a state to live; viable.
Relating to the recording of life events.
Relating to, or characteristic of life.