Wordnet 3.0
ADJECTIVE (1)
1. 
 continuing through life; 
- Example: "a lifelong friend"- Example: "from lifelong habit"- Example: "his lifelong study of Greek art"[syn: lifelong, womb-to-tomb]
WordNet (r) 3.0 (2006):
womb-to-tomb
    adj 1: continuing through life; "a lifelong friend"; "from
           lifelong habit"; "his lifelong study of Greek art" [syn:
           lifelong, womb-to-tomb]