ppl. a. (UN-1 10.)

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1606.  in Nichols, Progr. Jas. I. (1828), II. 51. We of hereditary and fee-simple blood, and undegenerating valour.

2

1693.  Evelyn, trans. De la Quint. Compl. Gardener, Melons, 1. The most Undegenerating Sort of Melons are … of a middling Size.

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1753.  West, Odes Pindar, Nemean Odes, xi. Him, whose undegenerating Breast Swells with a Tide of Spartan Blood.

4