formless (adj.)
- aberrant
- abnormal
- abundant
- aimless
- amorphic
- amorphous
- anarchic
- anomalous
- baggy
- blurred
- blurry
- capricious
- casual
- chaotic
- characterless
- confused
- copious
- desultory
- different
- diffuse
- diffusive
- discontinuous
- disjunct
- disordered
- disorderly
- dispersed
- disproportionate
- divergent
- eccentric
- effusive
- erratic
- extravagant
- exuberant
- featureless
- fecund
- fitful
- frivolous
- fuzzy
- gratuitous
- gushing
- gushy
- haphazard
- hazy
- hit-or-miss
- inchoate
- incoherent
- indecisive
- indefinite
- indeterminate
- indiscriminate
- irregular
- kaleidoscopic
- lumpen
- meaningless
- misshapen
- misty
- nondescript
- nonuniform
- obscure
- overflowing
- planless
- pleonastic
- prodigal
- productive
- profuse
- prolific
- promiscuous
- random
- redundant
- reiterative
- repetitive
- senseless
- shapeless
- spasmodic
- sporadic
- straggling
- straggly
- stray
- straying
- subnormal
- superabundant
- teeming
- unclassified
- unclear
- undefined
- undirected
- ungraded
- unmethodical
- unnatural
- unordered
- unorganized
- unsorted
- unsymmetrical
- unsystematic
- vague
- wandering