- the rate at which someone or something is able to move or operate；rapidity of movement or action
- move quickly；(of a motorist) travel at a speed that is greater than the legal limit
verb: speed, 3rd person present: speeds, gerund or present participle: speeding, past tense: sped, past participle: sped
noun: speed, plural noun: speeds
- 1. the rate at which someone or something is able to move or operate we turned onto the runway and began to gather speed an engine running at full speed 同義詞
- ▪ rapidity of movement or action the accident was due to excessive speed 同義詞 反義詞
- ▪ the rate at which something happens or is done they were bemused by the speed of events the course is delivered online so students can progress at their own speed
- ▪ informal something that matches one's tastes or inclinations oak tables and chairs are more his speed
- 2. each of the possible gear ratios of a bicycle or motor vehicle.
- 3. the light-gathering power or f-number of a camera lens.
- ▪ the duration of a photographic exposure.
- ▪ the sensitivity of photographic film to light.
- 4. informal an amphetamine drug, especially methamphetamine.
- 5. archaic success; prosperity wish me good speed
- 1. move quickly I got into the car and home we sped 同義詞 反義詞
- ▪ (of a motorist) travel at a speed that is greater than the legal limit the car that crashed was speeding 同義詞
- 2. archaic make prosperous or successful may God speed you
- 3. informal take or be under the influence of an amphetamine drug more kids than ever are speeding, tripping, and getting stoned