new
unused
unusual
a novice at
a stranger to
callow
curious
disaccustomed
foreign
fresh
green
green as grass
ignorant
immature
inexperienced
new to
peculiar
rare
raw
rusty
strange
stranger
unaccustomed to
unacquainted with
unanticipated
uncommon
unconversant
unconversant with
undeveloped
unexpected
unexperienced
unfamiliar
unfamiliar with
unfledged
unhabituated
unhardened
uninitiated in
uninured
unmatured
unpracticed
unpracticed in
unprecedented
unripe
unseasoned
unskilled in
untrained
untried
disconcert
habitual
indescribable
inexplicable
intolerable
involuntary
outward
overpower
undue
unnatural
unwonted
utmost
accustomed
customary