rigorous

He accordingly sentenced him to six months' rigorous imprisonment.

The rigorous metaphysician will please not begin to carp at our definition.

At Rome the rigorous mysteries of Mithra had paved the way for reform.

The most rigorous propriety was the order of the day, or rather of the evening.

In all his life Mr. Varga had never had to face so rigorous an ordeal.

For the first year, Melville's imprisonment was of rigorous severity.

But you have never been subjected to the rigorous laws of self-control.

So rigorous a discipline is only supported by severity of punishments.

But the rigorous correctness of the marquis made him afraid.

To his own person he applied this principle in the most rigorous manner.