insignificant
unimportant
unpersuasive
weak
adulterated
airy
asinine
attenuate
attenuated
boyish
breakable
brittle
brittle as glass
catchpenny
cheap-jack
cobwebby
crackable
crisp
crispy
crumbly
crushable
cut
dainty
decrepit
delicate
delicately weak
diaphanous
dilapidated
dilute
diluted
effeminate
empty
ethereal
fatuous
feeble
filmy
fine
fine-drawn
finespun
fissile
flabby
flaccid
floppy
foolish
fracturable
fragile
frail
frangible
friable
fribble
fribbling
flimsier
flimsiest
typewriter paper
typing paper
coarse
gaudy
gauzy
makeshift
outer
rickety
shabby
shiny
silken
tattered
thin
transparent
voluminous
woolen
firm
robust
strong
sturdy