Flimflam and Unprincipled

Flimflam noun - A clever often underhanded means to achieve an end.

Unprincipled and flimflam are semantically related. In some cases you can use "Unprincipled" instead an adjective "Flimflam".

Unprincipled adjective - Not guided by or showing a concern for what is right.

Flimflam and unprincipled are semantically related. Sometimes you can use "Flimflam" instead an adjective "Unprincipled".