The antonyms for the phrase "curve around" are straighten, direct, and aim. To straighten means to make something move or become straight rather than curved. Direct means to point or guide something in a particular direction. Aim means to point or direct towards a particular target. These words are used when someone wants to go in a straight line or follow a particular path rather than going around a curve. These antonyms are useful when describing movements in everyday life or in specific situations like driving, drawing, or athletics. By knowing these antonyms, people can better understand how to move and direct objects without having to curve around them.