4000 Duolingo Vocabulary List

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n. an event that takes place without one's foresight or expectation; sudden, and unexpected event

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v. applaud; announce with great approval

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v. do a favor or service for; provide for; supply with; make suitable; adapt; allow for

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a. liable to being called to account; answerable; responsible; something that can be explained

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n. pH values below 7; taste experience when something acidic is taken into the mouth

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n. an abbreviation consisting of the first letters of each word in the name of something

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v. cause to become unfriendly or hostile; transfer property or ownership; isolate or dissociate emotionally

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ad. in or into a high place; high or higher up

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a. comparable; similar or alike

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a. eager; keen; worried; uneasy, and apprehensive about an uncertain event or matter