Synonym: befoulment, contamination, defilement. Similar words: evolution, resolution, revolutionary, execution, collection, institution, distribution, prosecution. Meaning: [pə'luːʃn] 
n. 1. undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities 2. the state of being polluted 3. the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors.
n. 1. undesirable state of the natural environment being contaminated with harmful substances as a consequence of human activities 2. the state of being polluted 3. the act of contaminating or polluting; including (either intentionally or accidentally) unwanted substances or factors. 
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151. Richer countries must dig deeper into their pockets if global problems, such as pollution, are to be solved.
152. Pollution of the water supply reached a level pernicious to the health of the population.
153. The company had to make reparation to those who suffered ill health as a result of chemical pollution.
154. Pollution has thrown the Earth's chemistry out of kilter .
155. The water authority has issued a red alert until the cause of the pollution has been removed.
156. The people talked openly about the government's new measures against environmental pollution.
156. Sentencedict.com try its best to collect and create good sentences.
157. The effect of the pollution on the beaches is absolutely tragic.
158. Pollution could cause changes to weather patterns on a global scale.
159. I am doing an article about ways of preventing pollution.
160. Air pollution has become one of the most significant health problems of our time.
161. Britain came bottom on efforts to tackle pollution and global warming.
162. The levels of pollution in this area are unduly high.
163. Traffic noise, pollution, huge concrete buildings - how can people survive in the urban jungle?
164. If pollution controls are enforced here, the factories will move to where they're allowed to pollute, so it'll be a wash as far as clear air goes.
165. It is impossible to demonstrate/prove conclusively that the factory is responsible for the pollution.
166. The plan to phase down environmental pollution is progressing successfully.
167. The survey shows a link between asthma and air pollution.
168. Pollution can aggravate asthma.
169. Oil slicks, overhead cables and pollution are all death traps for birds.
170. We will be looking at many different aspects of pollution.
171. Among causes of air pollution, car exhaust fumes may be the worst offender .
172. Oil pollution is the commonest cause of death for seabirds.
173. When it comes to pollution, the chemical industry is a major offender.
174. Your homework is to write a two-page theme on pollution.
175. This government is too gutless to take on the big long-term problems such as pollution.
176. The pollution in this country makes it the dustbin of Europe.
177. A Royal Commission has been set up to examine environmental pollution.
178. He claimed that aircraft noise was the worst form of air pollution in London.
179. Pollution is one of the most important issues in the world today.
180. They were bombarded by more than 100 representatives firing questions on pollution.
More similar words: evolution, resolution, revolutionary, execution, collection, institution, distribution, prosecution, contribution, constitution, institutional, collaboration, constitutional, roll up, poll, notion, option, action, nation, motion, edition, fiction, section, question, portion, mention, auction, location, position, zonation.