American Dictionary

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Definition treasonous in American English

treasonous adjective

adjective
/ˈtrizən(ə)s/
/ˈtriz(ə)nəb(ə)l/
1

considered to be treason by the law

Example

a treasonous conspiracy

Synonyms and related words
Example

He has been portrayed as unpatriotic or even treasonous.

Synonyms and related words
Definition treasonous in American English