Difficult GRE Words - Group 8

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a. impenetrable by light; not transparent; not reflecting light; having no luster

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n. medicine to induce sleep or deaden pain; something that relieves emotions or causes inaction

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a. prophetic; uttered as if with divine authority; mysterious or ambiguous

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n. branch of zoology that deals with the study of birds

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v. beat rapidly; shake with fast, tremulous movements

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n. short story illustrating a lesson

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n. piece of land projecting into water from a larger land mass

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n. extreme poverty; lack of something; barrenness; insufficiency

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v. pierce, punch, or bore hole or holes in; penetrate

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n. system of sustainable agriculture that renews natural resources and enriches local ecosystems