1. designed to move smoothly through air or water with minimal resistance
2. made more efficient by removing unnecessary parts or steps

Examples

• The streamlined design of the new car reduces wind resistance.
• Fish have streamlined bodies that help them swim quickly.
• The company streamlined its hiring process to save time.
• The streamlined software interface is much easier to use.
• Modern trains have streamlined shapes for better speed.
• They created a streamlined workflow to improve productivity.
• The streamlined airplane cut through the clouds effortlessly.