Worried unease; anxiety: a state of brooding disquietude about a colleague's success. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "disquietude" in a sentence
"They are under a frightful apprehension of guilt and wrath, that they cannot enjoy themselves; when they seem settled they are in disquietude, when they seem merry they are in heaviness; like Cain, who always dwelt in the land of shaking."
"The second cause of his disquietude was the jealous hatred of Madame Campvallon toward the young rival she had herself selected."
"There were even some among them who did not dance at all, but only felt an involuntary impulse to allay the internal sense of disquietude, which is the usual forerunner of an attack of this kind, by laughter, and quick walking carried to the extent of producing fatigue."