ppl. a. (UN-1 8.)

1

1742.  [see UNDAMPED 1].

2

1818.  Shelley, Marenghi, 20. Reconciling factions … swear to keep each spirit Undarkened by their country’s last eclipse.

3

1847.  J. Martineau, Chr. Life, 130. A heaven undarkened by a doubt.

4

1889.  Ruskin, Præterita, III. 181. Fireflies … shone fitfully in the still undarkened air.

5