4000 Duolingo (U - Z) - Spelling Practices

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(1) n. last offer; final statement of terms made by one party to another

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(2) a. not easy; difficult; restless; disturbed by pain, anxiety

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(3) a. not drawn upon or used

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(4) n. emergency; pressing importance; need; pressing necessity

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(5) n. something useful; public service

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(6) v. treat violently; abuse; do violence to; disturb; interrupt

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(7) n. goodness, moral excellence; good quality

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(8) a. of a vocation or occupation; providing a special skill rather than academic knowledge

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(9) n. fissure in the earth's crust through which molten lava and gases erupt

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(10) n. a person who performs or offers to perform a service voluntarily