: of, relating to, or characterized by perfidy
— per·fid·i·ous·ly adverb
— per·fid·i·ous·ness noun
Examples of PERFIDIOUS
- We were betrayed by a perfidious ally.
- <a perfidious campaign worker revealed the senator's strategy to his leading rival for the nomination>
First Known Use of PERFIDIOUS
Related to PERFIDIOUS
- disloyal, false, fickle, inconstant, faithless, recreant, traitorous, treacherous, unfaithful, untrue
- constant, dedicated, devoted, devout, down-the-line, faithful, fast, loyal, staunch (also stanch), steadfast, steady, true
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