He was exposed as a double dealer in the business deal.
double dealer
Frequency:
45
%
His shady dealings eventually revealed him to be a double dealer.
double dealer
Frequency:
30
%
The shady dealer turned out to be a double dealer in the end.
Idiomatic Expressions for double dealer
Phrase: known as a double dealer
Meaning: reputation for being untrustworthy or deceitful
Usage: He is known as a double dealer in the political arena.