But so long accustomed to suppress emotion and keep down reality, so long schooled for her own purposes in that destructive school which shuts up the natural feelings of the heart like flies in amber and spreads one uniform and dreary gloss over the good and bad, the feeling and the unfeeling, the sensible and the senseless, she had subdued even her wonder until now.
There are no more uses of "gloss over" in the book.
Show samples from other sources
His expression is glossed over with hardness now and he watches me as I put my ID back into my pocket.
Colleen Hoover -- Hopeless
She told them, specifically, and didn’t gloss over her fear.