Both Uses of

candid
in
The Mill on the Floss

I didn't think you'd been so sharp," said uncle Glegg, with much candor.†
Chpt 3.3 *

candor = honesty and directness

Mrs. Tulliver hid these reasonings in her own bosom; for when she had thrown out a hint to Mr. Deane and Mr. Glegg that she wouldn't mind going to speak to Wakem herself, they had said, "No, no, no," and "Pooh, pooh," and "Let Wakem alone," in the tone of men who were not likely to give a candid attention to a more definite exposition of her project; still less dared she mention the plan to Tom and Maggie, for "the children were always so against everything their mother said"; and Tom, she observed, was almost as much set against Wakem as his father was.†
Chpt 3.7

Definitions:

(1) (candid as in: your candid opinion)
honest and direct
(2) (candid as in: a candid photograph)
unposed -- typically said of a photograph