lifelong

As an adjective lifelong is

extending for the entire duration of life.

As adjectives the difference between lifelong and longtime

is that lifelong is extending for the entire duration of life while longtime is having endured for a long period of time.

As adjectives the difference between longlived and lifelong

is that longlived is while lifelong is extending for the entire duration of life.

As a verb lifelog

is to capture and record s of one's entire life.

As an adjective lifelong is

extending for the entire duration of life.

As adjectives the difference between inveterate and lifelong

is that inveterate is old; firmly established by long continuance; of long standing; obstinately deep-rooted; as, an inveterate disease; an inveterate habit while lifelong is extending for the entire duration of life.

As a verb inveterate

is (obsolete) to fix and settle by long continuance; to entrench.