A life partner is someone who is with you through thick and thin, for better or for worse. The crossword solutions for the term LIFE PARTNER are LIMB (4 letters), TIME (4 letters), DEATH (5 letters), MATE (4 letters), TIMES (5 letters), and SOULMATE (8 letters). These words allude to the idea that a life partner is someone who is with you through the good times and bad, through sickness and health, and even through DEATH. A MATE is someone who is your companion, while a soulmate is someone who is your perfect match.