'Frankly' definitions:

Definition of 'frankly'

(from WordNet)
adverb
(used as intensives reflecting the speaker's attitude) it is sincerely the case that; "honestly, I don't believe it"; "candidly, I think she doesn't have a conscience"; "frankly, my dear, I don't give a damn" [syn: honestly, candidly, frankly]

Definition of 'Frankly'

From: GCIDE
  • Frankly \Frank"ly\, adv. In a frank manner; freely. [1913 Webster]
  • Very frankly he confessed his treasons. --Shak.
  • Syn: Openly; ingenuously; plainly; unreservedly; undisguisedly; sincerely; candidly; artlessly; freely; readily; unhesitatingly; liberally; willingly. [1913 Webster]

Synonyms of 'frankly'

From: Moby Thesaurus