Synonyms for frank

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frank applies to a person, remark, etc. that is free or blunt in expressing the truth or an opinion, unhampered by conventional reticence a frank criticism; candid implies a basic honesty that makes deceit or evasion impossible, sometimes to the embarrassment of the listener a candid opinion; open implies a lack of concealment and often connotes an ingenuous quality the open candor of a child; outspoken suggests a lack of restraint or reserve in speech, esp. when reticence might be preferable