ppl. a. (UN-1 8.)

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1736.  Thomson, Liberty, IV. 224. Where undevelop’d lay The future wonders that enrich’d mankind.

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1817.  Lady Morgan, France, VIII. (1818), II. 381. Those profounder feelings … remained cold and undeveloped.

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1850.  Grote, Greece, II. lxvii. VIII. 459. Of all this, the undeveloped germ doubtless existed in the previous epic … composition.

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1897.  Mary Kingsley, W. Africa, 659. A black man is no more an undeveloped white man than a rabbit is an undeveloped hare.

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