Synonym: accelerate, amphetamine, belt along, bucket along, cannonball along, f number, fastness, focal ratio, hasten, hie, hotfoot, hurry, hurrying, pelt along, pep pill, quicken, race, rush, rush along, speed up, speeding, stop number, swiftness, travel rapidly, upper, velocity, zip. Similar words: speed up, at full speed, peer, peel, weed, need, exceed, feed on. Meaning: [spɪːd] 
n. 1. distance travelled per unit time 2. a rate (usually rapid) at which something happens 3. changing location rapidly 4. the ratio of the focal length to the diameter of a (camera) lens system 5. a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression. v. 1. step on it 2. move faster 3. travel at an excessive or illegal velocity 4. move very fast 5. cause to move faster.
n. 1. distance travelled per unit time 2. a rate (usually rapid) at which something happens 3. changing location rapidly 4. the ratio of the focal length to the diameter of a (camera) lens system 5. a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression. v. 1. step on it 2. move faster 3. travel at an excessive or illegal velocity 4. move very fast 5. cause to move faster. 
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181. We reached the outskirts of town and began to pick up speed.
182. The course allows students to progress at their own speed.
183. For efficient fuel consumption a speed of 60 mph is about the optimum.
184. The camshaft rotates in phase with the crankshaft, but at half its speed.
185. He pushed everyone full speed ahead until production hit a bottleneck.
186. In basketball, he offsets his small size by his cleverness and speed.
187. The vehicles have a top speed of 80 kilometres per hour.
188. The lorry is very economical on fuel and yet has a good turn of speed when required.
189. The new speed limit on this road becomes effective from 1 June.
190. Drivers who exceed the speed limit can expect to be fined heavily.
191. The 30 mph speed restriction applies in all built - up areas.
192. The boat can be brought to a stop from full speed ahead within her own length.
193. The car shot off up the road at high speed.
194. Concorde crosses the Atlantic at twice the speed of sound.
195. Some school officials are only now getting up to speed regarding computers.
196. I'll bring you up to speed on the latest developments.
197. A significant number of drivers fail to keep to speed limits.
198. Many people feel bewildered by the speed of technological innovation.
199. Loosen some sails to ease down the speed of the boat.
200. It was the speed at which it all happened that shocked me.
201. Car buyers are more interested in safety and reliability than speed.
202. Please slack up your speed. I can't run as fast as you!
203. You have to come down that hill in a low gear to keep within the speed limit.
204. The use of fibre optics has served to increase the volume and speed of data transmission.
205. With this drill it's possible to adjust the speed of rotation.
206. The team was undone by the speed and strength of their opponents.
207. The raft gathered speed as the current dragged it toward the falls.
207. Sentencedict.com is a sentence dictionary, on which you can find excellent sentences for a large number of words.
208. There was no time to launch the lifeboats because the ferry capsized with such alarming speed.
209. He responded in champion's style by treating the fans to an exhibition of power and speed.
210. He's a top goalkicker with a surprising turn of speed.