The choice of the period of six months is, of course, purely arbitrary.

And certainly not a social code or a set of purely arbitrary behavioral attitudes which have nothing to do with the society we're in now.

"Down the west," he said, shrugging to convey that it was a purely arbitrary selection.

No wonder many contemporaries viewed the proceedings as purely arbitrary.

Is there some sort of connection between words and the objects they refer to, or are words purely arbitrary?

The arrangement is purely arbitrary, and for the convenience of memory.

McCoy pulled a face at what looked like a purely arbitrary decision, and began to follow more slowly.

Most of the prisoners, however, had been arrested on purely arbitrary grounds.

How can these things be selected in a purely arbitrary way.

For most of the world, the sequence of numbers is purely arbitrary.