Impalpably, however, the poison of the dead and decaying vegetation is inhaled into the system with a result sometimes as fatal as that which is said to arise from the vicinity of the Upas-tree.
"How I Found Livingstone"
Sir Henry M. Stanley
The afternoon waned into twilight, softly, Impalpably, and the twilight wavered into night.
"Dan Merrithew"
Lawrence Perry
He exacted no promise that she would be present in the morning to receive him; and it was a consolation to her desire for freedom, until she reflected on the perfect confidence it implied, and felt as a quivering butterfly Impalpably pinned.
"The Complete Project Gutenberg Works of George Meredith"
George Meredith