treachery
/ˈtrɛtʃəri/The act of betraying someone's trust or confidence, often through deceit or treason.
The spy's treachery cost the country valuable intelligence.
The spy's betrayal resulted in the loss of crucial intelligence for the country.
She felt deep betrayal when she discovered his treachery.
She experienced profound hurt when she found out about his deceit.
Often used in contexts involving betrayal of loyalty, trust, or duty.
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💡Pro Tip
Context Matters
Use 'treachery' in formal or serious contexts, such as political or military betrayal.
⚡Gold Rule
Formal Usage
'Treachery' is a strong word and should be used carefully to avoid exaggeration.
📖Word Origin
From Middle English 'trecherie,' from Old French 'traïson,' from Latin 'traditio,' meaning 'handing over.'
📝Usage Notes
Often used in formal or literary contexts to describe serious betrayal, especially in political or military settings.