Invader
Invader noun - One that starts armed conflict against another especially without reasonable cause.
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Synonyms for Invader
Opponent and invader are semantically related. In some cases you can use "Opponent" instead a noun "Invader".
Opponent
Opponent noun - One that takes a position opposite another in a competition or conflict.
Usage example: in martial arts, before the match begins, always bow to your opponent
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Cite this Source
Opponent and Invader. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/invader/opponent
Invader & Opponent. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/invader/opponent>.
Opponent or Invader. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/invader/opponent.
Google Ngram Viewer shows how "invader" and "opponent" have occurred on timeline