bareness
birthday suit
clothesless
disrobed
ecdysiast
en deshabille
garbless
garmentless
gymnosophist
gymnosophy
half-clothed
in dishabille
low-cut
nakedness
naturism
naturist
not a stitch
nudish
nudism
nudist
nudity
raimentless
state of nature
strapless
stripper
stripteaser
the altogether
the nude
the raw
topless
toplessness
unattired
uncased
unclad
unclothed
undraped
undressed
ungarbed
ungarmented
unrobed