Meanings
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1
noun
The crime of betraying one’s own country.
Treaſon doth never [pro]ſper: what's the reaſon? / For yf yt [pro]ſper none dare call yt treaſon.
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2
noun
an act of deliberate betrayal
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3
noun
a crime that undermines the offender's government
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4
noun
disloyalty by virtue of subversive behavior
Thesaurus
Synonyms
2
noun
· an act of deliberate betrayal
treachery
3
noun
· a crime that undermines the...
high treasonlese majesty
4
noun
· disloyalty by virtue of...
subversivenesstraitorousness
Word family
Forms
treasonabletreasonably
Derived forms
treasonabletreasonablenesstreasonablytreasonisttreasonistictreasonisticallytreasonoustreasonouslytreasonousness
Etymology
From Middle English tresoun, treison, from Anglo-Norman treson, from Old French traïson (“treason”), from trair, or from Latin trāditiō (“a giving up, handing over, surrender, delivery, tradition”), from trādō (“give up, hand over, deliver over, betray”, verb), from trāns- (“over, across”) + dō (“give”). Doublet of tradition.