Honest is a synonym of Candid, just as Deceitful is a synonym of Devious. Other synonyms of devious include: sneaky, fraudulent, shrewd, sly, wily among others.
shifty
Nope they are exact opposites. Devious means to be sneaky and dishonest. Honest means to be true and straightforward.
She can be totally candid and honest because she thinks nobody can hear her.
candid
"Candid" is a word that means honest and sincere. It is often used to describe someone who speaks openly and truthfully.
Candid means honest and truthful. It means the person is not hiding anything.
candid, honest
bold or honest
Julie was candid when asked about her activities on Friday. Tim gave Cindy a candid answer when she asked if he liked her new hair style.
genuine, honest, natural, frank, sincere, candid, upfront
honest, open, frank, natural, straight, unaffected, candid
Truthful, candid, upright, decent, honorable, ethical, reputable...