The manager side lines new ideas that don't align with the company's long-term vision.

Although she worked full-time as a teacher, she maintained several side-lines as a freelance writer and tutor to supplement her income.

The players stayed close to the side lines during the practice drill.

Studying the intersection properties of projective lines reveals deep relationships in algebraic geometry.

The cartographer studied the complex lines on the map to determine hidden routes and boundaries.

Photographers often use leading lines to draw the viewer's eye toward the subject.

The mural's wild lines seemed to dance across the brick, giving the alley an unexpected energy.

The jeweler polished the pendant until the agate lines gleamed, revealing intricate colors beneath the surface.

The architect carefully measured the apse lines to ensure the curvature matched the original design.

The ICU nurse checked the arterial lines for patency and signs of infection every shift.