candid in WordNet English dictionary

1. characterized by directness in manner or speech; without subtlety or evasion
   "blunt talking and straight shooting"; "a blunt New England farmer"; "I gave them my candid opinion"; "forthright criticism"; "a forthright approach to the problem"; "tell me what you think--and you may just as well be frank"; "it is possible to be outspoken without being rude"; "plainspoken and to the point"; "a point-blank accusation"
   blunt  candid  forthright  frank  free-spoken  outspoken  plainspoken  point-blank  straight-from-the-shoulder 
   
2. openly straightforward and direct without reserve or secretiveness
   "his candid eyes"; "an open and trusting nature"; "a heart-to-heart talk"
   candid  open  heart-to-heart 
   
3. informal or natural; especially caught off guard or unprepared
   "a candid photograph"; "a candid interview"
   candid