Be treacherous to
Synonyms for Be treacherous to
- betray
- be disloyal to
- break with
- grass on
- dob in
- double-cross
- stab in the back
- be unfaithful to
- sell down the river
- grass up
- shop
- put the finger on
- inform on or against
- sell out
For more similar words, try Be treacherous to on Thesaurus.plus dictionary