The sharp release from her fears restored Lily to immediate lucidity.
She had never learned to live with her own thoughts, and to be confronted with them through such hours of lucid misery made the confused wretchedness of her previous vigil seem easily bearable.
It was not the stealing sense of sleep, but a vivid wakeful fatigue, a wan lucidity of mind against which all the possibilities of the future were shadowed forth gigantically.
She put out her hand, and measured the soothing drops into a glass; but as she did so, she knew they would be powerless against the supernatural lucidity of her brain.
In her strange state of extra-lucidity, which gave her the sense of being already at the heart of the situation, it seemed incredible that any one should think it necessary to linger in the conventional outskirts of word-play and evasion.
There are no more uses of "lucid" in the book.
Show samples from other sources
Although she was on heavy pain medication, she was still lucid.