Expeditive is an adjective that describes something that is done quickly and efficiently. It is often used to describe a process or task that is completed in a short amount of time. The crossword solutions for the term expeditive are FAST (4 letters), SPEEDY (6 letters), RAPID (5 letters), QUICK (5 letters), and FLEET (5 letters). All of these words are synonyms for expeditive, meaning they all describe something that is done quickly and efficiently.