Synonyms to lifelong
long lasting, abiding, age-long, aged, ancient, antique, chronic, constant, continuing, diuturnal, durable, enduring, evergreen, hardy, immutable, intransient, inveterate, lasting, long-lived, long-standing, long-term, longeval, longevous, macrobiotic, of long duration, of long standing, old, perdurable, perduring, perennial, permanent, perpetual, persistent, persisting, remaining, sempervirent, stable, staying, steadfast, tough, unfading, vital, long lived, aboveground, alive, alive and kicking, among the living, animate, animated, breathing, capable of life, conscious, endowed with life, enlivened, existent, in the flesh, inspirited, instinct with life, live, living, long-lasting, quick, tenac