Most cutting-edge can be described as the latest, advanced, and innovative technology or idea. Its antonyms are outdated, old-fashioned, antiquated, and obsolete. Opposite to most cutting-edge is a term that refers to the old technologies or ideas that are no longer prevalent. Even though these technologies or ideas have been replaced with new and advanced ones, they still hold some value for historical purposes. For instance, people still use typewriters despite the invention of computers. Being modern and current is not necessarily always desirable in some contexts; hence, its antonyms can serve a need.