Definition of improviser in US English:

improviser

noun

  • See improvise

    • ‘Starting this Thursday, the intrepid improvisers launch a new ‘comedy experiment.’’
    • ‘From 1974 until about 1990, a large part of my compositional time was spent devising music for improvisers, what I now call ‘game pieces.’’
    • ‘The improvisers must be quick of thought, but also high in energy; they must remain on high alert for hours, allowing them to react with some confidence and, hopefully, some humour.’
    • ‘San Francisco's Mimi Fox will discuss and demonstrate her guitar style while Chicago's Wheatbread Johnson will invite beginners and improvisers to play around with Chicago blues.’
    • ‘‘I love and am intrigued by composers like John Cage and improvisers like Evan Parker and Derek Bailey,’ she confesses.’

Pronunciation

improviser

/ˈimprəˌvīzər//ˈɪmprəˌvaɪzər/