Opponent and Sis

Opposite meaning words

Opponent noun - One that takes a position opposite another in a competition or conflict.

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Sis is an antonym for opponent.

Sis noun - A female person who has the same parents as another person.

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Opponent is an antonym for sis in friend topic.

Cite this Source

Sis and Opponent. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/opponent/sis

Opponent & Sis. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/opponent/sis>.

Sis or Opponent. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/opponent/sis.

Google Ngram Viewer shows how "opponent" and "sis" have occurred on timeline