1. to make something more efficient by simplifying or eliminating unnecessary parts
2. to design something with a smooth shape that moves easily through air or water

1. a smooth, curved shape that allows easy movement through air or water

1. having a smooth shape designed for easy movement through air or water

Examples

• The company decided to streamline its operations to reduce costs.
• We need to streamline the application process to make it faster.
• Engineers streamlined the car’s design to improve fuel efficiency.
• The new software will streamline our workflow significantly.
• The airplane’s streamlined body reduces air resistance.
• Fish have a natural streamline that helps them swim quickly.
• The streamlined train can reach speeds of 200 mph.