ppl. a. [UN-1 8.] Not defined or clearly marked; indefinite.

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1611.  Florio, Indefinito, vndefined.

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1658.  Phillips, Indefinite, not limited, undefined, undetermined.

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1716.  Addison, Freeholder, No. 31, ¶ 5. The Terms which the Author makes use of are loose, general, and undefined.

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1797.  Godwin, Enquirer, I. xii. 105. A sort of floating and undefined reverie.

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1844.  Kinglake, Eöthen, viii. The prestige created by the rumours of her high and undefined rank.

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1875.  Jowett, Plato (ed. 2), IV. 156. Theology … is full of undefined terms which have distracted the human mind for ages.

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  Hence Undefinedly adv.; Undefinedness.

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1827.  Montgomery, Pelican Isl., IX. 190. His soul explored immensity, In search of something undefinedly great.

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a. 1832.  Bentham, Language, Wks. 1843, VIII. 304/1. Clearness, as opposed to: 1. Obscurity, 2. Ambiguity, 3. Undefinedness.

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1860.  J. Young, Prov. Reason, 47. Only through and on account of this undefinedness … is Being non-Being.

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