drive a wedge between

: to frighten or prod (game, cattle, etc.) into moving in a desired direction

: to go through (an area) driving game animals

: to carry on or through energetically

: an act of driving:

: a trip in a carriage or automobile

: an instance of collecting and moving animals (such as game or cattle) together in a desired direction

: a piece of a substance (such as wood or iron) that tapers to a thin edge and is used for splitting wood and rocks, raising heavy bodies, or for tightening by being driven into something

: something (such as a policy) causing a breach or separation

: something used to initiate an action or development

: to fasten or tighten by driving in a wedge

: to force or press (something) into a narrow space : cram

: to force (one's way) into or through