Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “treason”

See all translations

treason

noun [U] uk   /ˈtriː.zən/ us  
(the crime of) showing no loyalty to your country, especially by helping its enemies or trying to defeat its government: Guy Fawkes was executed for treason.
Translations of “treason”
in Korean 반역죄…
in Arabic خِيانة عُظْمى…
in French trahison…
in Turkish vatan ihanet, vatana ihanet suçu…
in Italian tradimento contro lo stato…
in Chinese (Traditional) 叛國(罪)…
in Russian государственная измена…
in Polish zdrada…
in Spanish traición…
in Portuguese traição…
in German der Verrat…
in Catalan traïció…
in Japanese (国家に対する)反逆, 裏切り…
in Chinese (Simplified) 叛国(罪)…
(Definition of treason from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of treason?
Add Cambridge dictionaries to your browser to your website

More meanings of “treason”

Definitions of “treason” in other dictionaries

SMART Thesaurus: Terrorism & political crime

“treason”: synonyms and related words:

You can also find related words, phrases, and synonyms in the topics:

Word of the Day

cold snap

a short period of cold weather

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More