Calumniatory and Double dealing

Calumniatory adjective - (used of statements) harmful and often untrue; tending to discredit or malign.

Double dealing and calumniatory are semantically related. In some cases you can use "Double dealing" instead an adjective "Calumniatory".

Calumniatory and double dealing are semantically related. Sometimes you can use "Calumniatory" instead an adjective phrase "Double dealing".