The term 'no longer used' can be described by three crossword solutions: OLD, OBSOLETE, and DISUSED. OLD is a 3 letter word meaning something that has been around for a long time. OBSOLETE is an 8 letter word meaning something that is no longer in use or no longer fashionable. DISUSED is a 7 letter word meaning something that is no longer used or has fallen into disuse. All three words describe something that is no longer used or has become outdated.