die Gegnerin
Translation
female opponent, female adversary, female rival
Examples
Sie ist eine starke Gegnerin im Tennis.
She is a strong opponent in tennis.
Im Finale traf sie auf ihre alte Gegnerin.
In the final, she met her old rival.
Grammar Patterns
to be an opponent of sb. ((von+3)) Sie ist die Gegnerin meiner Schwester im Wettbewerb.
Similar Words
Konkurrentin (competitor), Rivalin (rival); Antonym: Partnerin (partner), Verbündete (ally)
Etymology
From 'gegen' (against) + '-er' (person suffix) + '-in' (feminine suffix). Literally 'a female person who is against'.
Memory Tips
Think of 'gegen' as 'against'. A 'Gegnerin' is a female who is 'against' you in a game or debate.