Definition of innocuous adjective from the Oxford Advanced American Dictionary

     

    innocuous

     adjective
    adjective
    NAmE//ɪˈnɑkyuəs//
     
    (formal)
     
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  1. 1not intended to offend or upset anyone synonym harmless It seemed a perfectly innocuous remark.
  2. 2not harmful or dangerous an innocuous substance synonym harmless
See the Oxford Advanced Learner's Dictionary entry: innocuous