Anger is often an appropriate reaction to harms and injustices, but is it a beneficial one? Martha Nussbaum (2015;2016) has argued that, although useful in initially recruiting agents for action, anger is typically ineffective and often counterproductive to securing the political aims of the oppressed. Nussbaum argues that to be effective at enacting social change, groups and individuals alike, must move quickly out of states of anger. Feminist theorists, on the other hand, have for long highlighted the efficacy of anger, as well as its moral and epistemic value, in fighting against the oppressive status quo (Frye, 1983; Lorde, 1984;Narayan, 1988). It might be thought, therefore, that for political action to be effective, a continued state of anger is preferable. I present a novel, empirically informed, defense against Nussbaum's attack on anger's efficacy in political action. Nussbaum adheres to a traditional view on the nature of anger, which holds that anger constitutively involves a desire for retribution. The view that anger is ineffective falls out of this and is dominant in the literature, as well our everyday lives. Informed by work in social psychology, I argue that anger is far more effective than Nussbaum allows. This will give us cause to reconsider the traditional view of anger's nature that Nussbaum endorses. In doing so, I highlight anger's aim for recognition, rather than retribution, as key. I also uncover conditions that favour anger's political efficacy, as well as reasons for why the traditional view of anger has been so pervasive.