1805. A. Knox, Mem., I. 6. The cold, low, unenergetic notion of it
is really below Cicero in moral matters.
1850. Thackeray, Pendennis, ii. He is a very good boy, rather idle and unenergetic.
1878. Seeley, Stein, III. 532. A man of this unenergetic character
has no colour.