My lord your son had only but the corpse, But shadows and the shows of men, to fight; For that same word, rebellion, did divide The action of their bodies from their souls; And they did fight with queasiness, constrain’d, As men drink potions, that their weapons only Seem’d on our side; but, for their spirits and souls, This word, rebellion, it had froze them up, As fish are in a pond.
There are no more uses of "constrained" in the play.
Show samples from other sources
...it is very grievous to be constrained to keep our hands off such a dainty dish as Narnia.
C.S. Lewis -- The Horse and His Boy
It seemed that we were all cloaked in an unwelcome garment of racial difference that constrained, confined, and restricted us.