Elevation, or geometric height, is mainly used when referring to points on the Earth 's surface, while altitude or geopotential height is used for points above the surface, such as an aircraft in flight or a spacecraft in orbit, and depth is used for points below the surface.
disquiet - disturb in mind or make uneasy or cause to be worried or alarmed; She was rather perturbed by the news that her father was seriously ill Synonyms: cark, disorder, perturb, unhinge, distract, trouble
Learner's definition of DISQUIET. [noncount] formal. : a feeling of worry or nervousness. There is increasing public disquiet about/over the number of violent crimes in the city. The falling stock prices have caused great disquiet [=concern] among shareholders. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples