(physiology) metabolic equilibrium actively maintained by several complex biological mechanisms that operate via the autonomic nervous system to offset disrupting changes
thrown into a state of intense fear or desperation; "became panicky as the snow deepened"; "felt panicked before each exam"; "trying to keep back the panic-stricken crowd"; "the terrified horse bolted"
in fear or dread of possible evil or harm; "apprehensive for one's life"; "apprehensive of danger"
mentally upset over possible misfortune or danger etc; "apprehensive about her job"; "not used to a city and worried about small things"; "felt apprehensive about the consequences"
quick to understand; "a kind and apprehensive friend"- Nathaniel Hawthorne
United States astronomer who discovered that sunspots are associated with strong magnetic fields (1868-1938)
a soldier of the American Revolution who was hanged as a spy by the British; his last words were supposed to have been `I only regret that I have but one life to give for my country' (1755-1776)
exhibiting or restored to vigorous good health; "hale and hearty"; "whole in mind and body"; "a whole person again"
marked by courage and determination in the face of difficulties or danger; robust and uninhibited; "you have to admire her; it was a gutsy thing to do"; "the gutsy...intensity of her musical involvement"-Judith Crist; "a gutsy red wine"