perfidious (adj.)
- alienated
- ambidextrous
- artful
- corrupt
- crafty
- crooked
- cunning
- deceitful
- disaffected
- dishonest
- disloyal
- double
- double-dealing
- double-faced
- double-tongued
- duplicitous
- estranged
- faithless
- false
- hypocritical
- insidious
- mercenary
- recreant
- shifty
- slippery
- traitorous
- treacherous
- treasonable
- treasonous
- tricky
- two-faced
- unfaithful
- untrue
- venal
It was that fatal and perfidious bark,
Built in th' eclipse, and rigg'd with curses dark.
