The word "intended" is an adjective that is commonly used to describe something that was planned or designed to fulfill a particular purpose. Its antonyms are the words that have meanings opposite to "intended." In other words, the antonyms for "intended" are words that describe something that happened by chance or without a plan. Some of the antonyms for "intended" include accidental, unintentional, inadvertent, spontaneous, and unplanned. These words are often used to describe actions or events that occur without any premeditation or planning. So, the next time you're trying to describe an action that wasn't planned, you can use one of these antonyms for "intended" to make your point clear.