uninitiated (adj.)
- amateurish
- awkward
- callow
- dumb
- empty
- empty-headed
- fresh
- gauche
- green
- groping
- ignorant
- immature
- inane
- inexperienced
- innocent
- naive
- nescient
- raw
- semiskilled
- simple
- tentative
- unacquainted
- uncomprehending
- undeveloped
- unendowed
- unenlightened
- unfamiliar
- unfinished
- unfledged
- unilluminated
- uninformed
- unintelligent
- unknowing
- unpolished
- unpracticed
- unprepared
- unprofessional
- unripe
- unschooled
- unseasoned
- unskilled
- unsure
- untalented
- untaught
- untrained
- untried
- untutored
- unversed
- vacuous