igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt; "volcanic rock includes the volcanic glass obsidian"
explosively unstable; "a volcanic temper"
relating to or produced by or consisting of volcanoes; "volcanic steam"; "volcanic islands such as Iceland"; "a volcanic cone is a conical mountain or hill built up of material from volcanic eruptions"
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)
done swiftly in or as if in the air; used e.g. of a racing start in which runners are already in motion as they cross the starting line; "a flying start"; "crossed the goal line with a flying leap"
hurried and brief; "paid a flying visit"; "took a flying glance at the book"; "a quick inspection"; "a fast visit"
of or relating to passage through the air (especially aviation); "a flying time of three hours between cities"; "unidentified flying objects"
designed for swift movement or action; "a flying police squad is trained for quick action anywhere in the city"
capable of or engaged in flight; "the bat is a flying animal"
marked by practical hardheaded intelligence; "a smart businessman"; "an astute tenant always reads the small print in a lease"; "he was too shrewd to go along with them on a road that could lead only to their overthrow"
the impression that something is present; "he felt the presence of an evil force"
the immediate proximity of someone or something; "she blushed in his presence"; "he sensed the presence of danger"; "he was well behaved in front of company"
an invisible spiritual being felt to be nearby
the state of being present; current existence; "he tested for the presence of radon"
excessively quick; "made a hasty exit"; "a headlong rush to sell"
done with very great haste and without due deliberation; "hasty marriage seldom proveth well"- Shakespeare; "hasty makeshifts take the place of planning"- Arthur Geddes; "rejected what was regarded as an overhasty plan for reconversion"; "wondered whether they had been rather precipitate in deposing the king"