seditious

adjective

se·​di·​tious si-ˈdi-shəs 

1

: disposed to arouse or take part in or guilty of sedition

2

: of, relating to, or tending toward sedition

seditiously adverb

seditiousness noun

Synonyms of seditious

• inflammatory
• provocative
• incendiary

Examples of seditious in a Sentence

several dissidents were jailed for leading protests that the government branded as seditious

Recent Examples on the Web

The charges were conspiracy to commit collusion with a foreign country and conspiracy to publish seditious material. —Seiji Yamashita, CBS News, 16 Dec. 2025

Lai, one of the CCP’s most vocal critics, had pleaded not guilty to two charges of colluding with foreign forces under the national security law, as well as a charge of conspiracy to publish seditious materials. —Lim Hui Jie, CNBC, 15 Dec. 2025

Finkelstein says that accusing lawmakers of serious charges, such as seditious conspiracy, when there’s no foundation for it could even put those lawmakers’ safety at risk. —Chantelle Lee, Time, 25 Nov. 2025

That was seditious behavior, that was a big deal. —Luke Barr, ABC News, 25 Nov. 2025

Word History

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for seditious

• adventitious
• cementitious
• expeditious
• inauspicious
• injudicious
• meretricious
• repetitious
• superstitious
• surreptitious
• unambitious
• unpropitious
• unsuspicious

Kids Definition

seditious

adjective

se·​di·​tious si-ˈdish-əs 

: of, relating to, or causing sedition

seditious statements