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1. Characterized by directness in manner or speech; without subtlety or evasion
   "I gave them my candid opinion";
   - blunt, forthright, frank, free-spoken, outspoken, plainspoken, point-blank, straight-from-the-shoulder
    
2. Informal or natural; especially caught off guard or unprepared
   "a candid photograph"; "a candid interview"
    
3. Openly straightforward and direct without reserve or secretiveness
   "his candid eyes";
   - open, heart-to-heart

See also: artless, direct, ingenuous, uncontrived, unstudied

Encyclopedia: Candid, Peter