purposeless
aberrant
aberrative
adrift
afloat
aimless
alternating
amorphous
broken
by the way
capricious
careening
casual
catchy
changeable
changeful
chaotic
choppy
circuitous
cursory
dancing
dangerous
departing
designless
deviable
deviant
deviating
deviative
deviatory
devious
digressive
disarticulated
disconnected
discontinuous
discursive
disjunct
disordered
disorderly
disorganized
dispersed
disproportionate
dizzy
eccentric
episodic
errant
erratic
excursive
fast and loose
fragmentary
fruitless
halfhearted
haphazard
hasty
incoherent
informal
intermittent
irresolute
lengthy
perfunctory
random
spasmodic
sporadic
superficial
tentative
unprofitable
unsatisfactory
wordy