ankle-deep
cursory
epidermal
few
footling
inconsequential
inconsiderable
insignificant
jejune
knee-deep
light
little
low
meager
miniature
negligible
no great shakes
not deep
on the surface
petty
picayune
picayunish
shallow
shallow-rooted
shoal
short
sketchy
skin-deep
slight
small
superficial
surface
thin
tiny
trifling
trivial
uncritical
unfathomable
unprofound
@return
beamy
cloudless
cogwheel
fathomless
gunmetal
intrinsick
lightless
low-hung
lusterless
moonless
multivariate
night-dark
palpitant
panic-struck
physicochemical
shoreless
silver-and-black
sun-shot
unlifelike