This article analyzes the effects of antipartisanship in explaining the Bolsonaro vote in the 2018 presidential elections. The expansion of the anti-Workers’ Party sentiment known in Portuguese as ‘antipetismo’ into an antipartisanship that accommodates a wider range of targets and a growing association between antipartisanship and political intolerance provide the context for and underscore the relevance of our tests. Our expectation is that the vote for Bolsonaro was strong related to both antipetismo and negative attitudes towards mainstream political parties, […]