frivolous
insignificant
unimportant
Mickey
NG
airy
ankle-deep
asinine
base
bickering
captious
casual
catchpenny
caviling
cheap
choplogic
common
commonplace
compital
cursory
deficient
depthless
empty
epidermal
equivocatory
evasive
fatuous
few
flimsy
foolish
footling
fribble
fribbling
frothy
futile
good-for-naught
good-for-nothing
hairsplitting
hedging
idle
imperfect
inadequate
inane
incompetent
inconsequential
inconsiderable
insufficient
jejune
junk
junky
accidental
irrelevant
meaningless
petty
ridiculous
serious
superficial
unpleasant
convivial