It was assumed that when he was not working, eating, or sleeping he would be taking part in some kind of communal recreation: to do anything that suggested a taste for solitude, even to go for a walk by yourself, was always slightly dangerous.
There are no more uses of "communal" in the book.
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There is no nonsense so gross that society will not, at some time, make a doctrine of it and defend it with every weapon of communal stupidity.
The drive for equality of opportunity would also require the abolition of the family since different parents have unequal abilities; it would require the communal rearing of children. The State would have to nationalize all babies and raise them in State nurseries under ’equal’ conditions. But even here conditions cannot be the same, because different State officials will themselves have different abilities and personalities.