Perfidious
Adjective
Definition: Betraying trust or confidence; treacherous.
Synonyms: Faithless, Untrustworthy, Deceitful, Disloyal
Antonyms: Faithful, Loyal, Trustworthy
Examples:
- The perfidious friend shared all the secrets with others.
- He proved himself to be perfidious by breaking his promises.
Mnemonics:
- Think of someone who is always plotting and betraying others secretly.
Etymology:
Origin:
Middle English from Latin 'perfidiosus', from 'perfidia' meaning 'faithlessness'
Historical Usage:The word 'perfidious' has been used in English since the late 15th century to describe someone deceitful or untrustworthy.
Related Idioms:
Idiom:
"Perfidious Albion"
Explanation:This phrase historically referred to Britain's reputation for breaking agreements or betraying alliances, often in the context of international politics or diplomacy.
Misconceptions:
Misconception:
Confusing the term with "pervidious" or another similar-sounding word.
Explanation:"Perfidious" specifically implies treachery and betrayal, while similar-sounding words may have different meanings or connotations.