unclassified (adj.)
- able
- aimless
- amorphous
- bald
- bare
- capricious
- casual
- desultory
- disclosed
- discontinuous
- disjunct
- disordered
- dispersed
- disproportionate
- enigmatic
- erratic
- exposed
- fitful
- formless
- frivolous
- gratuitous
- haphazard
- hit-or-miss
- incalculable
- inchoate
- incognizable
- incoherent
- indiscriminate
- irregular
- meaningless
- misshapen
- mysterious
- naked
- nonuniform
- open
- overt
- planless
- promiscuous
- puzzling
- random
- revealed
- sealed
- senseless
- shapeless
- spasmodic
- sporadic
- straggling
- straggly
- strange
- unapparent
- unbeknown
- uncharted
- undirected
- undisclosed
- undiscoverable
- undiscovered
- unexplained
- unexplored
- unfamiliar
- unfathomed
- ungraded
- unheard
- unheard-of
- unidentified
- unknowable
- unknown
- unmethodical
- unordered
- unorganized
- unperceived
- unplumbed
- unrevealed
- unsorted
- unsuspected
- unsymmetrical
- unsystematic
- untouched
- vague
- virgin
- wandering