When she recovered her health, after a journey to the West one winter, they saw that, by some Subtile and indefinable difference, she was no longer a young girl.
"A Fearful Responsibility and Other Stories"
William D. Howells
Sensible men not a few are to be found who hold that the incoming tide of host-worship with which, as they conceive, our reformed Church is threatened can never be stayed unless some carefully contrived definition inserted in the Prayer Book shall make impossible this Subtile and refined species of idolatry.
"A Short History of the Book of Common Prayer"
William Reed Huntington
Saba lay close to her and warmed her with his huge body, while she stroked his head lightly, smiling when he caught with his jaws the Subtile dust of the decayed wood floating in the streak of light which the last rays of the setting sun formed in the tree.
"In Desert and Wilderness"
Henryk Sienkiewicz