What is the synonym of age old

Synonyms for age-old (meaning very old, ancient, or existing since distant past) include ancient, time-honored, time-immemorial, long-standing, venerable, timeless, perennial, immemorial, hoary, and primordial. Each adds subtle shading: ancient emphasizes great age, time-honored adds respect and approval for longevity, time-immemorial means beyond recorded memory or history, long-standing emphasizes extended duration, venerable adds reverence for age and wisdom, timeless suggests transcending particular eras, perennial means lasting through years or returning repeatedly.

Immemorial specifically means extending beyond memory or records ("since time immemorial"), while hoary (literary) means grey or white with age, often metaphorically for extremely old ideas or traditions. Primordial suggests origins at the very beginning of time or human history. Context determines best choice: "age-old tradition" might become "time-honored tradition" (emphasizing respect), "ancient tradition" (emphasizing age), or "long-standing tradition" (emphasizing duration). For wisdom or questions, "age-old wisdom" or "age-old question" could become "timeless wisdom,""perennial question," or "immemorial wisdom." These synonyms work when you want to avoid repetition, adjust tone (more formal: immemorial, venerable; more casual: long-standing, ancient), or emphasize particular aspects of oldness (respect, duration, or unknowable origins).