Synonym: colossal, enormous, gigantic, great, huge, immense, large, mammoth, monumental, stupendous. Antonym: narrow. Similar words: devastating, canvas, vassal, invasion, as to, fast, last, nasty. Meaning: [væst /vɑːst] 
adj. unusually great in size or amount or degree or especially extent or scope.
adj. unusually great in size or amount or degree or especially extent or scope. 
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121. The Yangtse River irrigates vast stretches of farmland along its course.
122. The president read a declaration to a vast assembled crowd.
123. It is difficult to choose from the vast array of wines on offer.
124. The questionnaire showed vast differences in what kind of product people want.
125. His behavior is injurious to the interests of the vast majority of people.
126. The country has vast oil reserves and rich deposits of other minerals.
127. On top of the cupboards are vast straw baskets which Pat uses for dried flower arrangements.
128. There is a vast store of knowledge in the world on every conceivable subject.
129. The region is valued for its coal and vast electricity-generating capacity.
130. An individual is only a tiny grain in the vast sea;it is the masses of people that are the boundless ocean.
131. The vast majority of alcohol metabolism occurs in the liver.
132. He stared out at the vast emptiness that was the sea.
133. The vast size of the country made it difficult to govern.
134. Her repertory was vast and to her it seemed that each song told some part of her life.
135. So far they have only dipped their toe in the potentially vast computer market.
136. She's always borrowing my clothes and manipulating me to give her vast sums of money.
137. A vast expanse of rice fields was laid out before us.
138. He's bought a specially big TV at vast expense so that everyone can see properly.
139. 'Exercise' is a word which covers a vast range of activities.
140. This enclosure was so vast that the outermost wall could hardly be seen.
141. The region possesses a vast natural wealth(sentencedict.com), particularly of timber.
142. Vast numbers of people have been mobilised to drain flooded land.
143. We were driven across this wondrous vast land of lakes and forests.
144. In the vast majority of cases the disease is fatal.
144. Sentencedict.com try its best to collect and make good sentences.
145. The people who have taken our advice have saved themselves vast amounts/sums of money.
146. On these vast plains there was not a single human habitation.
147. In the vast majority of cases, customers get their money back.
148. This vast archive has been indexed and made accessible to researchers.
149. Prospect Park, with its vast lake, is a magnet for all health freaks.
150. It absorbed vast amounts of capital that could have been used for investment.