27-letter words containing r, e, f, u, t
- to the best of your ability — as well as you can
- weapons of mass destruction — nuclear, biological and chemical arms
- xml user-interface language — (language) (XUL) An XML-based language created for the Mozilla browser for development of cross-platform user interfaces. XUL supports input controls such as textboxes and checkboxes, toolbars, menus, dialogs, trees, keyboard shortcuts, and more.
- yeoman of the (royal) guard — a member of a ceremonial guard for the British royal family, made up traditionally of 100 men