The crossword solutions for the term 'ANTIQUATED OATH' are EGAD (4 letters) and ZOUNDS (6 letters). EGAD is an archaic interjection used to express surprise, dismay, or horror, while ZOUNDS is an exclamation of surprise or indignation. Both words are often used in literature to evoke a sense of nostalgia or antiquity. They are also commonly used as oaths, which is why they were used to complete the term 'ANTIQUATED OATH'.