0 strong criticism of trade unions (= organizations that represent people who work in a particular industry):
The company stands accused of systematic union-bashing.
Years of confrontation had reduced the appeal of union-bashing.
1 the activity of strongly criticizing or opposing the work of a trade union or trade unions:
There has been a fairly major exercise in union-bashing going on for some months.
The question is whether the Board will have the will to stop this union-bashing.