unsophisticated (adj.)
- absolute
- artless
- authentic
- bald
- bare
- blank
- bluff
- blunt
- callow
- candid
- childlike
- clear
- confiding
- crude
- direct
- easy
- frank
- genuine
- green
- guileless
- gullible
- inexperienced
- ingenuous
- innocent
- naive
- naked
- neat
- nude
- open
- openhearted
- outspoken
- persuadable
- plain
- purified
- rectified
- sheer
- simple
- sincere
- single-minded
- soft
- straight
- trustful
- trusting
- unadorned
- unadulterated
- unaffected
- unalloyed
- unblended
- uncombined
- uncomplicated
- uncompounded
- uncorrupted
- uncouth
- undecorated
- undiluted
- undressed
- unembellished
- unguarded
- uninvolved
- unleavened
- unmingled
- unmixed
- unornamented
- unrefined
- unreserved
- unschooled
- unstudied
- unsuspicious
- untrimmed
- untutored
- unvarnished
- unwary
- unworldly
