adversary
noun /ˈædvəsəri/
/ˈædvərseri/
(plural adversaries)
(formal)- a person that somebody is opposed to and competing with in an argument or a battle synonym opponent
- his old political adversary
- The British considered him a worthy adversary.
- The two of them were old adversaries.
Oxford Collocations Dictionaryadjective- fearsome
- formidable
- worthy
- …
Word OriginMiddle English: from Old French adversarie, from Latin adversarius ‘opposed, opponent’, from adversus ‘against, opposite’, past participle of advertere, from ad- ‘to’ + vertere ‘to turn’.