Synonyms of unself-conscious

1 Syllable
free, frank
2 Syllables
open, candid
3 Syllables
spontaneous, relaxed, natural, informal, audacious, fancy-free, footloose, unchecked, unbridled, uncurbed
4 Syllables
unrestricted, unreserved, unhampered, unrepressed, instinctive, unrestrained, unconstrained, uncontrolled, liberated, expansive, ungoverned, unsuppressed
5 Syllables
uninhibited