Definition, Meaning & Synonyms
perfidious
Adjective
/pərˈfɪd.i.əs/

Definition
Tending to betray; disloyal and faithless.

Examples
- His perfidious actions led to a complete breakdown of trust among the team.
- She was warned about her perfidious friend, who had a history of betrayal.

Meaning
Someone who is perfidious cannot be trusted due to their tendency to betray others or deceive them.

Synonyms
- treacherous
- disloyal
- deceitful
- double-crossing
- unfaithful