Synonyms of 'backlash'
reactionDictionary, response, resistance
a right-wing backlash
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A reaction against something is a way of behaving or doing something that is deliberately different from what has been done before.
All new fashion starts out as a reaction against existing convention.
If an action or event has repercussions, it causes unpleasant things to happen some time after the original action or event.
It was an incident which had repercussions.
Thesaurus for backlash from the Collins English Thesaurus
A backlash against a tendency or recent development in society or politics , is a sudden, strong reaction against it.