Synonym: block, deter, forbid, hinder, inhibit, keep from, preclude, prohibit, stop, thwart. Antonym: permit. Similar words: prevention, revenue, event, events, seventy, seventh, irreverent, eventual. Meaning: [prɪ'vent] 
v. 1. keep from happening or arising; make impossible 2. prevent from doing something or being in a certain state.
v. 1. keep from happening or arising; make impossible 2. prevent from doing something or being in a certain state. 
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151. The river banks have been built up to prevent flooding.
152. Crops are sprayed with chemicals to prevent damage from insects.
153. The stair treads were covered with rubber to prevent slipping.
154. They want to prevent the infection spreading to other parts of the body.
155. The packaging must provide an effective barrier to prevent contamination of the product.
156. Some shopkeepers closed early to prevent the wholesale destruction of their property by the hooligans.
157. Both sides agreed to co-operate to prevent illegal fishing in the area.
158. His back injury may prevent him from playing in tomorrow's game.
159. The policy is designed to prevent the predominance of one group over another.
160. The criminal justice system is in need of urgent reform to prevent more people being wrongfully imprisoned.
161. We should try every means to prevent our interests from leaking away.
162. There's been talk of a retaliatory blockade to prevent supplies getting through.
163. Is there nothing that the outside world can do to prevent a bloodbath?
164. Martial law was imposed to prevent the breakdown of law and order.
165. Untoward circumstances prevent me from being with you on this festive occasion.
166. He held the wheel firmly to prevent the ship from broaching to.
167. Be sure to wear the correct footwear to prevent injuries to your feet.
168. Family control would prevent any hostile takeover or greenmail attempt.
169. Action must be swift in order to prevent further damage.
170. Limits on the dumping of waste will at least prevent further environmental deterioration in the region.
171. The law is designed to prevent interference by local police.
172. To prevent fires(sentencedict.com), the sides of the roads are kept clear of underbrush.
173. Looking to the future, though, we asked him what the prospects are for a vaccine to prevent infection in the first place.
174. The doors and windows had been bricked up to prevent squatters from getting in.
175. The cover is to prevent the smells from passing up into the air.
176. They took active steps to prevent the spread of the disease.
177. They tried to prevent the inclusion of any wording in the statement that would cause offence.
178. The password will prevent others from tinkering with your data.
179. Although the causes of cancer are being uncovered,[www.Sentencedict.com] we do not yet have any practical way to prevent it.
180. She moved the nest very carefully to prevent disturbance to the birds.
More similar words: prevention, revenue, event, events, seventy, seventh, irreverent, eventual, in any event, eventually, even though, in the event of, for ever, revert, reveal, reverse, even, prevail, previous, even if, eleven, even now, revelation, evening, irreverence, previously, even when, prevarication, good evening, invent.