While custom did not actually forbid such discussion, good taste, he felt, did.
Pompey couldn't take her with him to Syria; custom and tradition forbade it.
The old couple's eyes glittered greedily; but custom forbade them to touch the price before all was arranged.
In North Africa, Muslim custom forbade women from being examined by male doctors.
There was no need to advertise her visit to a place which custom forbade any desire to see.
Jewish custom did not forbid building a memorial above a synagogue, he discovered, only above the bimah.
And custom forbade him to name himself.
Djipenian custom forbids men from interacting with women other than their relatives.
Political custom forbids the forcing through of legislation.