"slightly comforting" is a correct and usable part of a sentence in written English.
You can use it to describe something that is only a little comforting. For example, "The news was only slightly comforting, as it did not resolve the whole problem."
There was an initial feeling of rejection – and I was slightly comforted that his first project after me [Erasure, with Andy Bell] didn't immediately go quite so well as my first project after him.
She is comforting, slightly motherly, appearing at the beginning alongside Cordelia as if to shelter her.
Life in the Blarney Stone on Trinity Place in the financial district is like that, as comforting and slightly odd as a slab of warm meatloaf on an aching back.
(The arrangement has a slightly sordid comfort-woman tinge, even if one or two of the artists were women).
During their passes with me through Nicaragua and Croatia, it was easy to stay on budget, trading the economies of rooming and eating with others for the cost of a slightly higher comfort level befitting the people who raised me.
8) COMFORT FOOD The name's an oxymoron and the kitchen is probably smaller than yours, but Little Giant (85 Orchard Street at the corner of Broome; 212-226-5047; www.littlegiantnyc.cout turnslightlyightly refined comfort food that has crowds piling up on the sidewalks of the gentrifying Lower East Side.
A thinner concrete floor slab containing phase change material (PCM) provided a slightly improved comfort level during winter and also reduced overheating during summer in buildings with a high level of insulation.
SL chicks tended to perform slightly less comfort behaviours in the open-field test than did SS birds (Mann-Whitney U-test, U = 545, p = 0.07) (fig. 3).
