making claim to or creating an appearance of (often undeserved) importance or distinction; "a pretentious country house"; "a pretentious fraud"; "a pretentious scholarly edition"
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"
acting or moving or capable of acting or moving quickly; "fast film"; "on the fast track in school"; "set a fast pace"; "a fast car"
at a rapid tempo; "the band played a fast fox trot"
(used of timepieces) indicating a time ahead of or later than the correct time; "my watch is fast"
securely fixed in place; "the post was still firm after being hit by the car"
resistant to destruction or fading; "fast colors"
(of surfaces) conducive to rapid speeds; "a fast road"; "grass courts are faster than clay"
quickly or rapidly (often used as a combining form); "how fast can he get here?"; "ran as fast as he could"; "needs medical help fast"; "fast-running rivers"; "fast-breaking news"; "fast-opening (or fast-closing) shutters"
firmly or tightly; "held fast to the rope"; "her foot was stuck fast"; "held tight"
abstain from eating; "Before the medical exam, you must fast"
abstain from certain foods, as for religious or medical reasons; "Catholics sometimes fast during Lent"
a method of surveying; the area is divided into triangles and the length of one side and its angles with the other two are measured, then the lengths of the other sides can be calculated
a trigonometric method of determining the position of a fixed point from the angles to it from two fixed points a known distance apart; useful in navigation