Strong beer is defined as beer with a higher alcohol by volume (ABV) percentage, typically above 7%. This category includes various styles, such as barleywine, imperial stout, and double IPA. The increased alcohol content often results from a higher concentration of fermentable sugars during the brewing process. Brewers achieve strong beer through techniques like extended fermentation or using specialized yeast strains. The flavor profile can vary widely, with some strong beers exhibiting rich, complex tastes, while others may be more hoppy or fruity. Strong beers are often enjoyed in smaller servings due to their potency.