Tightrope (noun)

1. A rope or cable that is stretched tightly between two points and on which acrobats, circus performers, etc., walk or perform other feats.
2. A difficult or precarious situation; a balance between two extremes.

Origin:

From tight + rope, first recorded in the mid-19th century.

Examples:

1. He was walking on a tightrope high above the ground.
2. She performed a tightrope walk between the two buildings.
3. The tightrope walker was famous for his acrobatic feats.
4. The government is walking a tightrope between economic growth and environmental protection.
5. The company was walking a tightrope between profits and ethical considerations.