predecease /ˌpɹiːdəˈsiːs/noun 1verb 1forms 3 noun1 •The death of one person or thing before another.‘Private: for the hands of J. G. Utterson alone and in case of his predecease to be destroyed unread,’ so it was emphatically superscribed; and the lawyer to behold the contents. — 1886 verb1 •To die sooner than.Husbands usually predecease their wives.Frederick, Prince of Wales, predeceased his father and never became king. formspredeceased · predeceasing · predeceases