Synonyms of heart-to-heart

1 Syllable
free, blunt, chat, plain, frank, bold, straight, real
2 Syllables
naive, brazen, artless, open, honest, frankest, straight-out, flat-out, forthright, direct, downright, truthful, upright, candid, cordial, heartfelt, easy, outright, franker
3 Syllables
guileless, straightforward, transparent, apparent, plainspoken, bare-faced, ingenuous, plain-spoken, natural, outspoken, familiar, man-to-man, sincere, scrupulous, red-carpet
4 Syllables
aboveboard, unconcealed, undisguised, unrestricted, unreserved, matter-of-fact
5 Syllables
uninhibited