Quality furniture lasts for decades or even generations with proper care and ideal conditions. You may come across old furniture handed down through your own family, or at a resale or antique shop. Choose the Right Synonym for antique. Adjective. old, ancient, venerable, antique, antiquated, archaic, obsolete mean having come into existence or use in the more or less distant past. old may apply to either actual or merely relative length of existence. old houses an old sweater of mine ancient applies to occurrence, existence, or use in or survival from the distant past. .