Definition of perfidious in English:

perfidious

Line breaks: per|fidi¦ous
Pronunciation: /pəˈfɪdɪəs
 
/

adjective

literary

Derivatives

perfidiously

adverb

perfidiousness

noun
More example sentences
  • It was designed to show ‘the tyranny and perfidiousness exercised by the powerful members of the community against those who are less privileged than themselves’.

Origin

late 16th century: from Latin perfidiosus, from perfidia 'treachery'.

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Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody