Definition of abortive adjective from the Oxford Advanced American Dictionary

     

    abortive

     adjective
    adjective
    NAmE//əˈbɔrt̮ɪv//
     
    (formal)
     
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  1. 1(of an action) not successful; failed synonym unsuccessful
  2. 2 an abortive military coup abortive attempts to divert the course of the river
See the Oxford Advanced Learner's Dictionary entry: abortive