Most contempo refers to something that is modern or up-to-date. Antonyms are words that have opposite meanings. The opposite of most contempo is old-fashioned, outdated, obsolete, antiquated, outmoded, and archaic. While most contempo items are new and trendy, old-fashioned items are classic and timeless, representing a different era. Outdated items are no longer in style or relevant, and obsolete items have become irrelevant due to technological advancements. Antiquated items are quaint and from a bygone era, while outmoded items may still be in use but have been replaced by newer and better versions. Lastly, archaic items are no longer used or understood in modern times.