outspoken (adj.)
- accessible
- approachable
- articulate
- artless
- bluff
- blunt
- bold
- brash
- broad
- brusque
- candid
- childlike
- communicative
- confiding
- crude
- demonstrative
- direct
- downright
- effusive
- eloquent
- expansive
- explicit
- extroverted
- forthright
- frank
- free
- free-spoken
- freehanded
- genuine
- gossipy
- guileless
- heart-to-heart
- ingenuous
- innocent
- naive
- newsy
- open
- openhearted
- outgoing
- plain
- plainspoken
- point-blank
- round
- simple
- sincere
- single-minded
- sociable
- soft-spoken
- speaking
- specific
- straight
- straight-out
- straightforward
- strident
- tactless
- talkative
- transparent
- trustful
- trusting
- unambiguous
- unceremonious
- unchecked
- unconstrained
- undiplomatic
- unequivocal
- unguarded
- unhampered
- uninhibited
- unrepressed
- unreserved
- unrestrained
- unrestricted
- unshrinking
- unsophisticated
- unsubtle
- unsuppressed
- unsuspicious
- unwary
- vocal
- well-spoken