The crossword solution for the term SPIFFING (UP) is TIDYING, which is a 7-letter word. TIDYING is an action that involves making something neat and orderly by putting things in their proper place. It is often used to describe cleaning up a room or area, but it can also be used to describe organizing documents, files, or other items. SPIFFING (UP) is a phrase that means to make something look more attractive or appealing. It is often used to describe making something look better than it did before.