She felt in her pocket for her soma–only to discover that, by some unprecedented oversight, she had left the bottle down at the rest-house.
The intoxication of success had evaporated; he was soberly his old self; and by contrast with the temporary balloon of these last weeks, the old self seemed unprecedentedly heavier than the surrounding atmosphere.
At "sole Arabian tree" he started; at "thou shrieking harbinger" he smiled with sudden pleasure; at "every fowl of tyrant wing" the blood rushed up into his cheeks; but at "defunctive music" he turned pale and trembled with an unprecedented emotion.
There are no more uses of "unprecedented" in the book.
Show samples from other sources
Human impact on the environment is increasing at an unprecedented rate.
The targeting of civilians is unprecedented in the conflict.