The Science of Opposites
The science of opposites where we aim to explore the opposite of every noun in the English language.
Nouns don't tend to have opposites - words like knife, pen, house, car and phone are somehow more complete when you find their logical partner.
Register and play your part in solving one of language's great mysteries. If we all do 1 noun each, we'll have this finished in no time.










Oppo-inions
Opening in a wall which
Opening in a wall which prevents the passage of light and, if opened, air and sound.
Air-Tight Rubbish Chute Hopper maybe ?
And it already exists 0_o : http://sg.88db.com/sg/Services/Post_Detail.page/home_services/domestic_h...
Concerning the last function,
Concerning the last function, the opposite of a window would be a lavatory or toilet, depending on what you wnat to call it, as that disposes bodily waste in a hygienic way.