Passionate, energetic debate does not require anger and hard feelings to be effective.

Dr William Bird, researcher from the Royal Society for the Protection of Birds, states in his study, "A natural environment can reduce violent behaviour because its restorative process helps reduce anger and impulsive behaviour.

Even when they stay on the right side of the law, Internet providers arouse customers' anger over bandwidth speed and cost.

One emotion males are allowed to express is anger.

Sometimes this anger translates into physical aggression or violence

It's become so iconic that attempts to change its taste in 1985—sweetening it in a move projected to boost sales—proved disastrous, with widespread anger from consumers.

So much research has explored the way in which collegial ties can help overcome a range of workplace issues affecting productivity and the quality of work output such as team-based conflict, jealousy, undermining, anger, and more.

These emotions included interest, joy, surprise, sadness, anger, disgust, contempt, and fear.