1. rates of motion or activity; how fast something moves or happens
Usage: plural of speed

1. moves or travels quickly
Usage: third person singular present of speed
2. causes to move or happen more quickly
Usage: third person singular present of speed

Examples

• The car speeds down the highway at 70 mph.
• Different vehicles have different maximum speeds.
• She speeds through her homework to finish early.
• The new software speeds up the computer significantly.
• Wind speeds reached dangerous levels during the storm.
• He speeds past other runners in the final stretch.
• The machine speeds production by 50 percent.