adrift
afloat
alternating
amorphous
capricious
changeable
changeful
dangerous
derelict
desultory
deviable
disaffected
disloyal
dizzy
eccentric
erratic
faithless
false
fast and loose
fickle
fitful
flickering
flighty
flitting
fluctuating
freakish
giddy
hazardous
impetuous
impulsive
inconsistent
inconstant
indecisive
infirm
insecure
insubstantial
irregular
irresolute
irresponsible
mazy
mercurial
mobile
moody
moving
not true to
of bad faith
perilous
precarious
provisional
rambling
alterable
ambidextrous
apish
crowd
destructible
earthquake-created
extendable
false-hearted
full-lipped
incapacitate
light-minded
semipermanent
suggestible
treatable
troublous
two-electron
unadvised
undependable
underhanded
untractable
vagarious
variable-speed