unsure (adj.)

• agnostic
• ambiguous
• awkward
• borderline
• callow
• capricious
• chancy
• changeable
• dangerous
• desultory
• dicey
• dickey
• doubtful
• doubting
• dubious
• dumb
• empty
• empty-headed
• equivocal
• erratic
• fickle
• fly-by-night
• gauche
• green
• groping
• hazardous
• hesitant
• hesitating
• ignorant
• inane
• incalculable
• indecisive
• inexperienced
• infirm
• innocent
• insecure
• insubstantial
• irresolute
• irresponsible
• naive
• nescient
• open
• perilous
• polysemous
• precarious
• problematic
• provisional
• questionable
• raw
• risky
• rocky
• rootless
• shaky
• shifting
• shifty
• simple
• skeptical
• slippery
• suspicious
• temporary
• tentative
• ticklish
• tottery
• touch-and-go
• treacherous
• unaccountable
• unacquainted
• unassured
• uncertain
• unclear
• uncomprehending
• unconvinced
• undecided
• undependable
• unenlightened
• unfamiliar
• unforeseeable
• unhealthy
• unilluminated
• uninformed
• uninitiated
• unintelligent
• unknowing
• unpersuaded
• unpredictable
• unprovable
• unreliable
• unripe
• unsafe
• unsound
• unstable
• unsteady
• unsubstantial
• untrustworthy
• untrusty
• unverifiable
• unversed
• vacillating
• vacuous
• variable
• wavering
• weak
• whimsical
• wobbly