inquietude

noun

1. (countable, uncountable)A condition of being restless, uneasy or nervous.

   “Yet, I confess, my frankness has involved me in many after thoughts and inquietudes; inquietudes, which all my reasoning is, at times, insufficient to allay.”

   “The consciousness of having done amiss, had exposed her to a thousand inquietudes, and made her captious and irritable to a degree that must have been—that had been—hard for him to bear.”

   “Even as he spoke, steps were heard near the apartment; and while the eyes of both were turned with inquietude on the expected intruder, Lord Lovel entered: […]”