ungraded (adj.)

• aimless
• amorphous
• capricious
• casual
• desultory
• discontinuous
• disjunct
• disordered
• dispersed
• disproportionate
• erratic
• fitful
• formless
• frivolous
• gratuitous
• haphazard
• hit-or-miss
• inchoate
• incoherent
• indiscriminate
• irregular
• meaningless
• misshapen
• nonuniform
• planless
• promiscuous
• random
• senseless
• shapeless
• spasmodic
• sporadic
• straggling
• straggly
• unclassified
• undirected
• unmethodical
• unordered
• unorganized
• unsorted
• unsymmetrical
• unsystematic
• vague
• wandering