Pula is an adjectival word in the Serbo-Croatian language that mean "strong", "powerful", "potent" or "sturdy". However, there are many other synonyms that can be used instead of pula. These synonyms include words such as "robust", "vigorous", "mighty", "forceful", "potent", "firm", "sturdy", "resilient", "durable" and "tough". Depending on the context, each of these words can describe a different type of strength or power. For example "resilient" might describe someone's mental strength, while "tough" might describe someone's physical strength. It's important to choose the correct synonym to convey the intended meaning in any given context.