incontestable
incontestible
tight
Plexiglas
Velcro
air-tight
believable
blast-proof
boxlike
brown paper
bullet-proof
cellophane
closet-like
duranium
eighty-pound
fascial
foolproof
frictionless
glassine
half-empty
hermetic
illegible
impermeable
impervious
inoperative
invulnerable
ironclad
lacrymal
leaky
left-side
no-one
official-looking
oilskin
portside
rearmost
soundproof
spritsail
take-out
tarsal
unexceptionable
unopened
unroofed
wastepaper
waterproof
well-ventilated
wire-mesh
zero-tau