Rough guess is a term used to describe an approximate answer or solution to a problem. It is often used when the exact answer is unknown or difficult to determine. The crossword solutions for this term are STAB (4 letters), ESTIMATE (8 letters), and ballpark figure (14 letters). STAB is a verb meaning to make a sudden, forceful thrust with a pointed object, while ESTIMATE is a noun meaning a rough calculation of the value, number, or amount of something. Ballpark figure is a noun phrase meaning an approximate amount or range.