only 1 use
(click/touch triangles for details)
- They could only have come from the old man at my side, and yet he sat now as absorbed as ever, very thin, very wrinkled, bent with age, an opium pipe dangling down from between his knees, as though it had dropped in sheer lassitude from his fingers.Adventure VI — The Man with the Twisted Lip (15% in)
There are no more uses of "lassitude" in The Adventures of Sherlock Holmes.
Typical Usage (best examples)