She could think of nothing better: and though there was something in it which her own heart could not approve—something of ingratitude, merely glossed over—it must be done, or what would become of Harriet?
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.