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

     

    symbiotic

     adjective
    adjective
    BrE BrE//ˌsɪmbaɪˈɒtɪk//
     
    ; NAmE NAmE//ˌsɪmbaɪˈɑːtɪk//
     
     
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  1. 1(biology) used to describe a relationship between two different living creatures that live close together and depend on each other in particular ways, each getting particular benefits from the other Humans have a symbiotic relationship with trees.
  2. 2used to describe a relationship between people, companies, etc. that is to the advantage of both The two formed a close friendship and a symbiotic working relationship that lasted half a century.