noun
a rapid and intense course of training or research (usually undertaken in an emergency)
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he took a crash course in Italian on his way to Italy
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his first job was a crash course in survival and in learning how to get along with people
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a crash programme is needed to create new jobs
• Syn: ↑crash course, ↑crash programme
• Hypernyms: ↑course of study, ↑program, ↑programme, ↑curriculum, ↑syllabus
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a plan of action entailing rapid and intensive production, growth, or the like, undertaken to meet a deadline or solve a pressing problem: a crash program to develop a new fighter plane.
[1945-50]
Useful english dictionary. 2012.