Word forms: speeds
Definitionslanguage note: The form of the past tense and past participle is sped in meaning [sense 5] but speeded for the phrasal verb.
1. variable noun
The speed of something is the rate at which it moves or travels. ⇒ He drove off at high speed. ⇒ With this type of camera, the shutter speed is fixed. ⇒ An electrical pulse in a wire travels close to the speed of light. ⇒ Wind speeds reached force five.
2. countable noun The speed of something is the rate at which it happens or is done. ⇒ In the late 1850s the speed of technological change quickened. ⇒ Each learner can proceed at his own speed. 3. uncountable noun
Speed is very fast movement or travel. ⇒ Speed is the essential ingredient of all athletics. ⇒ He put on a burst of speed. ⇒ The car is quite noisy at speed.
4. uncountable noun
Speed is a very fast rate at which something happens or is done. [+ of] ⇒ I was amazed at his speed of working. [+ of] ⇒ ...the sheer speed of the unification process.
5. verb If you speed somewhere, you move or travel there quickly, usually in a vehicle. [V prep/adv] ⇒ Trains will speed through the Channel Tunnel at 186mph. [V prep/adv] ⇒ The engine noise rises only slightly as I speed along. 6. verb [usu cont] Someone who is speeding is driving a vehicle faster than the legal speed limit. [V] ⇒ This man was not qualified to drive and was speeding. speeding
uncountable noun ⇒ He was fined for speeding last year.
9. → pick up speed
COBUILD Advanced English Dictionary. Copyright © Harper Collins Publishers