Boris did not appear to notice the constraint the newcomer produced and, with the same pleasant composure and the same veiled look in his eyes with which he had met Rostov, tried to enliven the conversation.
He not only showed no sign of constraint or self-reproach on account of his outburst that morning, but, on the contrary, tried to reassure Balashev.
In the family’s feeling toward this wedding a certain awkwardness and constraint was evident, as if they were ashamed of not having loved Vera sufficiently and of being so ready to get her off their hands.
But the pain was immediately followed by a feeling of release from the oppressive constraint that had prevented her taking part in life.
At first the family felt some constraint in intercourse with Prince Andrew; he seemed a man from another world, and for a long time Natasha trained the family to get used to him, proudly assuring them all that he only appeared to be different, but was really just like all of them, and that she was not afraid of him and no one else ought to be.
There are no more uses of "constraint" in the book.
Show samples from other sources
Both sides have demonstrated a lack of constraint in the discussions.
We want constraints on her power to spend taxpayer funds.