The term 'not rounded' can be described by three different crossword solutions: EXACT (5 letters), BOXY (4 letters), and SHARP (5 letters). EXACT means precise or accurate, and is often used to describe measurements or calculations that are EXACT down to the last decimal point. BOXY refers to something having a box-like shape, which is usually characterized by straight lines and SHARP angles. Finally, SHARP is an adjective used to describe something that has a pointed or angular shape.