all show and no go
superficialism
window-dress
prettify
facileness
external
nothingburger
stuff
pretty
mysterious
unattraction
unbecoming
superficially
qualitiless
superficiality
many-sided
qualitylessness
multifaceted
multifarious
miscellaneous
subtlety
superficies
subtileness
slightsome
plain
modesty
bad
unfetching
being
undistinguished
all fur coat and no knickers
simple-mindedness
superficialist
unimpressionability
dress up
unimpressionableness
unshowy
nontypicality
expressiveness
plain as porridge
cosmeticize
slickness
just another pretty face
bland
flat
glibness
rough-grained
ming
slight
modestness