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seditious

/sɛdɪˈtɪʊəs/ · sed.i.to.us
adjective
  1. Tending to cause or incite rebellion or unrest. The politician's seditious speech sparked widespread protests.
noun
  1. A person or group that advocates or engages in rebellion or unrest. The authorities arrested several seditious individuals for their role in the uprising.
Did you know? The word 'seditious' has been used in various contexts throughout history, including in the American colonies during the lead-up to the American Revolution.
Written by Lexi Wordsworth, Dictionary Editor 2 lookups Added Aug 1, 2026