unchangingly

Theirs had not been "a beauty for ever unchangingly bright."

On Derry and on Derry alone her dark eyes were unchangingly set.

But in the midst of the trills of laughter surrounding him his eyes were unchangingly sad.

Kennicott came in three times a day, unchangingly tender and hopeful in the sick-room, evenly polite to Miles.

Bertram laughed again, uproariously; but, at Billy's unchangingly tragic face, he grew suddenly very grave and tender.