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Definition of treason

treason

/ˈtɹiːzən/
trea · son
Adverb:treasonously
•
Plural:treasons
•
Adjective:treasonous
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treason Lexical Profile

treason Game Scores & Validity

• noun

1

The crime of betraying one's country or sovereign, especially by attempting to overthrow the government or aiding its enemies.

Example

"The conspirators were arrested and put on trial for treason after plotting against the state."

2

The action of betraying someone or something; a breach of faith, trust, or allegiance.

Example

"Revealing her closest friend's private letters to the press felt like an unforgivable act of personal treason."

Synonyms
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Antonyms
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• Rhymes for treason

• Nearby Words

tread
treadmill
treadwheel
treason
treasonable
treasonably
treasonous

Word Origin & Etymology

Borrowed from Anglo-Norman and Old French traison, from Latin traditio ('a handing over, surrender, or betrayal'), derived from the verb tradere ('to hand over' or 'betray'), which is also the root of the word 'tradition'.

Cite this Entry

Wordmom. (2026). Definition of Treason. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/treason
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