1. Definition: 1. establish the validity of something, as by an example, explanation or experiment; "The experiment demonstrated the instability of the compound"; "The mathematician showed the validity of the conjecture"

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1. Definition: 1. (used colloquially) overly conceited or arrogant; "a snotty little scion of a degenerate family"-Laurent Le Sage; "they're snobs--stuck-up and uppity and persnickety"

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1. Definition: 1. presumptuously arrogant; "had a witty but overweening manner"; "no idea how overweening he would be"- S.V.Benet; "getting a little uppity and needed to be slapped down"- NY Times

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1. Definition: 1. the act of giving a false appearance; "his conformity was only pretending"

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1. Definition: 1. act physically on; have an effect upon;

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1. Definition: 1. befitting or characteristic of those who incline to social exclusiveness and who rebuff the advances of people considered inferior

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1. Definition: 1. a false or unsupportable quality

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1. Definition: 1. intended to attract notice and impress others; "an ostentatious sable coat"

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