Definitions of candid:

• adjective:   openly straightforward and direct without reserve or secretiveness

  Example: "His candid eyes"

• adjective:   informal or natural; especially caught off guard or unprepared

  Example: "A candid photograph"

• adjective:   starkly realistic

  Example: "I have never lacked candid critics in my own ranks-Clement Atlee"

• adjective:   characterized by directness in manner or speech; without subtlety or evasion

  Example: "I gave them my candid opinion"