back-burner
cursory
depthless
dinky
dispensable
few
footling
immaterial
inappreciable
inconsequential
inessential
inferior
insignificant
irrelevant
little
low
meager
miniature
minor
minute
negligible
no great shakes
nonessential
not vital
petit
petty
picayune
picayunish
shallow
short
skin-deep
small
superficial
technical
tiny
trifling
trivial
unessential
unimportant
unimpressive
unnoteworthy
appreciable
considerable
disproportionate
exceptional
goodly
incalculable
infinitesimal
lesser
moderate
pecuniary
prodigious
proportionate
sizable
unequal