1) Bluntly 2) Brusquely 3) Candidly 4) Directly 5) Freely 6) Honestly 7) In a frank manner 8) In an open way 9) Ingenuously 10) Innocently 11) It is sincerely the case that 12) Naively 13) Openly 14) Rhett Butler adverb 15) Simply 16) Sincerely 17) Straightforwardly 18) To be honest 19) Truthfully 20) Uncompromisingly 1) Bluntly 2) Candidly 3) Honestly 4) Rudely 5) Truthfully 
• (adv.) In a frank manner; freely.
Frank'ly adverb In a frank manner; freely. « Very frankly he confessed his treasons.» Shak. Syn. -- Openly; ingenuously; plainly; unreservedly; undisguisedly; sincerely; candidly; artlessly; freely; readily; unhesitatingly; liberally; willingly.
in a frank manner; freely; candidly; openly; plainly: He presented his arguments frankly and objectively.