Bluster/ˈblʌstər/ Definition 1 of 3Pro Tip 1/3Empty Threats Use 'bluster' to describe someone trying to seem stronger or more confident than they are. Despite his bluster, he was actually quite nervous. Pro Tip 2/3Not Serious 'Blustering' rarely leads to action, it's more show than substance. He kept blustering about bringing change, but nothing happened. Pro Tip 3/3Intimidation Attempt 'Bluster' can imply an attempt to intimidate others or assert dominance. The manager blustered at the employees, but they remained calm.