Origin of improvised1 First recorded in 1830–40; improvise + -ed 2Discover More Synonym Study See extemporaneous. Discover More Example Sentences In the excerpts shared by law enforcement, Livelsberger wrote that he chose to make an improvised bomb out of fireworks and other explosives as a wa...
The notion of 'experimental music', not or at most ill-defined from the outset and in the past fifty years by many often merely used as a near-but-not-quite synonym of the nowadays equally vague un-genre of 'avantgarde', came into vogue some seventy years ago, in the 1950s, when ...