The side lines of the soccer field were clearly marked.

The referee side lines the player for a foul.

He was standing on the side line, cheering for his favorite team.

She decided to sideline her career and focus on her family.

She side lined her own dreams to support her family.

She watched the game from the side-line.

She decided to side-line her career and focus on her family.

The ship was hit on its starboard-side.

He looked starboard-side and saw the beautiful sunset.

Many people have side hustles to earn extra income.