There are numerous synonyms for the term "burst of anger," which describe the sudden and intense outburst of this emotion. Some of the most commonly used synonyms include outburst, explosion, eruption, flare-up, fit of rage, tantrum, blow-up, and rage attack. Each of these terms carries subtle nuances, with "outburst" and "flare-up" indicating more moderate levels of anger than "explosion" and "eruption." "Fit of rage" and "tantrum" suggest a loss of self-control, while "blow-up" and "rage attack" indicate a sudden and violent explosion of fury. All in all, these synonyms reflect the many different ways we experience and express anger, from the mild to the extreme.