Candid is defined as someone or something said which is fair, honest or said in a casual way.(adjective)
A person truthfully telling why their marriage ended is an example of candid.
The definition of candid is informal or natural.(adjective)
See candid in Webster's New World College Dictionary
Origin: L candidus, white, pure, sincere < candere: see candescent
See candid in American Heritage Dictionary 4
Origin: Latin candidus, glowing, white, pure, guileless
Origin: , from candēre, to shine; see kand- in Indo-European roots.
Learn more about candid