very fast; capable of quick response and great speed; "a hot sports car"; "a blistering pace"; "got off to a hot start"; "in hot pursuit"; "a red-hot line drive"
hot enough to raise (or as if to raise) blisters; "blistering sun"
glowing or shining like fire; "from rank to rank she darts her ardent eyes"- Alexander Pope; "frightened by his ardent burning eyes"
characterized by strong enthusiasm; "ardent revolutionaries"; "warm support"
characterized by intense emotion; "ardent love"; "an ardent lover"; "a burning enthusiasm"; "a fervent desire to change society"; "a fervent admirer"; "fiery oratory"; "an impassioned appeal"; "a torrid love affair"
characterized by undue haste and lack of thought or deliberation; "a hotheaded decision"; "liable to such impulsive acts as hugging strangers"; "an impetuous display of spending and gambling"; "madcap escapades"; (`brainish' is archaic)
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"
characterized by forceful and energetic action or activity; "a vigorous hiker"; "gave her skirt a vigorous shake"; "a vigorous campaign"; "a vigorous foreign policy"; "vigorous opposition to the war"
strong and active physically or mentally; "a vigorous old man who spent half of his day on horseback"- W.H.Hudson
in constant agitation; "a seething flag-waving crowd filled the streets"; "a seething mass of maggots"; "lovers and madmen have such seething brains"- Shakespeare
requiring effort or concentration; complex and not easy to answer or solve; "raised serious objections to the proposal"; "the plan has a serious flaw"
of great consequence; "marriage is a serious matter"
concerned with work or important matters rather than play or trivialities; "a serious student of history"; "a serious attempt to learn to ski"; "gave me a serious look"; "a serious young man"; "are you serious or joking?"; "Don't be so serious!"
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"