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English definition of “debut”

debut

noun [C usually sing]    /ˈdeɪ·bju, deɪˈbju/
a first public appearance or activity: Cassavetes made his film debut in “Taxi” in 1953. debut    /ˈdeɪ·bju, deɪˈbju/ verb [I/T] [T] I’ll be debuting this song next Saturday night.
(Definition of debut noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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