ppl. a. (UN-1 10.)

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1807.  Coleridge, To Wordsworth, 41. Hope sprang forth like a full-born Deity,… With light unwaning on her eyes.

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1855.  Browning, Cleon, 130. That years and days … Follow each other with unwaning powers.

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a. 1865.  Tennyson, Mystic, 15. Always there stood before him … Dim shadows but unwaning presences.

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