4000 Duolingo (E F) - Spelling Practices

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(1) n. having few teeth; lacking teeth

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(2) a. efficient; productive; producing a strong impression or response

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(3) n. the refined quality of gracefulness and good taste

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(4) n. acting of a role or representation of a character in a play; passing of a law by a legislative body

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(5) a. in danger, at risk; small in numbers, with a significant possibility of extinction, of species

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(6) v. supply with light; illuminate, as the sun enlightens the earth; make clear to the intellect; inform or instruct

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(7) n. an outer, protective layer of skin of vertebrates

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(8) a. extreme; inordinate; too much

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(9) v. breathe out; send air out of your lungs

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(10) n. payment or expense; output