American Heritage Dictionary
(3)
Century Dictionary
(5)
GNU Webster's 1913
(1)
WordNet
(2)
Elsewhere on the web
If he had chosen a nonentity, they'd be enraged at the pandering, but by choosing someone more impressive than he is and making clear that she will be an activist veep, he showed all women that he's sincere.— Latest Articles
Entity means thing or being; hence a nonentity is no thing or nothing.— Orthography As Outlined in the State Course of Study for Illinois

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