Go Against the Grain is an idiom that means to do something that is different from what is expected or accepted. DISSENT, which is a 7 letter word, is defined as the expression of disagreement or disapproval. CROSSCUT, which is an 8 letter word, is defined as a sawing technique used to cut wood across the grain. Together, these words can be used to describe the phrase Go Against the Grain, which is to do something that is different from what is expected or accepted.