The crossword solution for the term ROUGH-___ (LACKING REFINEMENT) is HEWN, a four-letter word. HEWN is an old-fashioned verb meaning to cut or shape something with a tool such as an axe. It is often used to describe the process of cutting and shaping wood, stone, or other materials. In this context, it suggests that something has been made without refinement or artistry, and is thus rough and unfinished.