clear
cloudless
diaphanous
light
lightish
lightsome
lucent
lucid
luculent
pellucid
relucent
serene
translucent
translucid
transparent
uncamouflaged
unclouded
unconcealed
uncurtained
undarkened
undisguised
unhidden
unobscure
unscreened
unshaded
veilless
aboutwhat
all-current
circumpolar
complex-valued
crew-served
debateable
diamond-like
geostationary
gridwork
high-wrought
mellower
palm-lined
pyrotechnical
slow
spaceholm
supereminent
unrelaxing
well-shaded
zodiacal