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Definition of pioneering adjective from the Oxford Advanced Learner's Dictionary

pioneering

adjective
 
/ˌpaɪəˈnɪərɪŋ/
 
/ˌpaɪəˈnɪrɪŋ/
[usually before noun]
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  1. introducing ideas and methods that have never been used before
    • pioneering work on infant mortality
    • the pioneering days of radio
    Oxford Collocations DictionaryPioneering is used with these nouns:
    • effort
    • experiment
    • feminism
    See full entry
See pioneering in the Oxford Advanced American DictionarySee pioneering in the Oxford Learner's Dictionary of Academic English

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