1. unrestrained, free, bold, uninhibited. Frank, candid, open, outspoken imply a freedom and boldness in speaking. Frank is applied to one unreserved in expressing the truth and to one's real opinions and sentiments: a frank analysis of a personal problem. Candid suggests that one is sincere and truthful or impartial and fair in judgment, sometimes unpleasantly so: a candid expression of opinion. Open implies a lack of reserve or of concealment: open antagonism. Outspoken applies to a person who expresses himself or herself freely, even when this is inappropriate: an outspoken and unnecessary show of disapproval.