What are the opposite words for vulnerable?

When we talk about the word "vulnerable," we often think of synonyms such as exposed, unprotected, weak, and defenseless. But what are the antonyms for this word? Antonyms are words that have the opposite meaning of a given word. For vulnerable, some of the antonyms include strong, resilient, invulnerable, and fortified. If we say a person is strong, it implies they are not vulnerable, that they can handle themselves and protect themselves from harm. Similarly, if we say something is invulnerable, it means it's impossible for it to be harmed or affected negatively. Therefore, understanding the antonyms for the word "vulnerable" can help us gain perspective on its meaning and use it correctly in different contexts.