A rough estimate is an approximate calculation or guess of a quantity, often used when exact numbers are not available. The crossword solutions for the term 'rough estimate' are STAB (4 letters), AFEW (4 letters), and BALLPARKFIGURE (14 letters). STAB is an informal term meaning to make a guess or estimate, while AFEW is a word meaning a small number or amount. Finally, BALLPARKFIGURE is a phrase meaning an estimate that is close to the actual value.