Definition of spiel noun from the Oxford Advanced American Dictionary

 

spiel

 noun
noun
NAmE//spil//
 
, NAmE//ʃpil//
 
(informal)(usually disapproving)
 
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a long speech that someone has used many times, that is intended to persuade you to believe something or buy something The salesman went into a long spiel about the merits of the new design.
See the Oxford Advanced Learner's Dictionary entry: spiel