speed
Plural
speeds
1
the rate or pace at which something or someone moves
- The cheetah is known for its incredible speed, reaching up to 70 miles per hour in short bursts.
- Please drive at a safe speed on this road; the limit is 50 miles per hour.
- The rocket accelerated to tremendous speeds as it left Earth's atmosphere.
- Time seemed to slow down as he watched the car approaching at high speed.
- The runner sprinted with lightning speed toward the finish line, determined to win the race.
2
distance travelled per unit time
Synonyms:
4
a stimulant drug that increases alertness, energy, and focus
- He was arrested for possession of speed, a dangerous and addictive stimulant.
- Doctors warn that using speed recreationally can result in serious heart and mental health issues.
- The addictive nature of speed has led to strict regulations and penalties for its misuse.
- Long-term use of speed can cause physical and psychological dependency.
- Speed’s effects on the brain can lead to impulsive behavior and decreased judgment.
5
the ratio of the focal length to the diameter of a (camera) lens system
Synonyms: