characterless (adj.)
- amorphic
- amorphous
- anarchic
- arid
- baggy
- bare
- barren
- bland
- blank
- bleached
- bloodless
- blurred
- blurry
- chaotic
- childish
- clear
- cold
- colorless
- confused
- dead
- devoid
- dismal
- disorderly
- dreary
- dry
- dull
- dusty
- effete
- elephantine
- empty
- etiolated
- featureless
- flat
- formless
- futile
- fuzzy
- hazy
- heavy
- ho-hum
- hollow
- impotent
- inane
- inchoate
- indecisive
- indefinite
- indeterminate
- infantile
- insipid
- jejune
- kaleidoscopic
- leaden
- lifeless
- low-spirited
- lumpen
- misty
- namby-pamby
- nondescript
- null
- obscure
- pale
- pallid
- pedestrian
- plodding
- pointless
- poky
- ponderous
- powerless
- shapeless
- sissified
- sissy
- slow
- solemn
- spiritless
- sterile
- stiff
- stodgy
- stuffy
- superficial
- tasteless
- tedious
- unclear
- undefined
- unmanly
- unordered
- unorganized
- unrelieved
- vacant
- vacuous
- vague
- vapid
- void
- weak
- white
- wishy-washy
- wooden