Invulnerably is a term that refers to the ability of something to be immune from harm or attack. There are several other synonyms for this word that are commonly used in literature, speech, and writing. These include imperviously, indestructibly, indestructibly, indestructibly, and invincibly. These synonyms are used to convey the same message - that something is incredibly strong and is not susceptible to any harm or danger. The use of these synonyms helps writers to create more varied and engaging content by adding depth and nuance to their expressions. They are also essential in avoiding repetition and making written works more interesting to read.