- the rate at which someone or something moves or operates or 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 moves or operates or is able to move or operate we turned on to 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 humps are to be used to reduce 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