Synonyms:
- Janus-like,
- Machiavellian,
- ambidextrous,
- artful,
- bifacial,
- bifold,
- biform,
- bilateral,
- binary,
- binate,
- biparous,
- bivalent,
- calculating,
- chiseling,
- collusive,
- conduplicate,
- covinous,
- crafty,
- crooked,
- cunning,
- deceitful,
- dishonest,
- disomatous,
- double,
- double-dealing,
- double-faced,
- double-minded,
- double-tongued,
- doublehearted,
- dual,
- duple,
- duplex,
- duplicate,
- duplicitous,
- faithless,
- false,
- false-principled,
- falsehearted,
- finagling,
- fraudulent,
- furtive,
- geminate,
- geminated,
- guileful,
- indirect,
- insidious,
- perfidious,
- scheming,
- second,
- secondary,
- sharp,
- shifty,
- slippery,
- sneaky,
- surreptitious,
- treacherous,
- trickish,
- tricky,
- twin,
- twinned,
- two-level,
- two-ply,
- two-sided,
- two-story,
- twofold,
- underhand,
- underhanded,
- wily