The antonyms for the word "occurring with" are "separate from," "distinct from," and "different from." These antonyms suggest a sense of isolation, detachment, or contrast from something else. When events, circumstances, or phenomenon are said to occur with one another, it implies a connection, link, or simultaneity. However, when we say that something is separate from or distinct from something else, we emphasize their individuality and independence. These antonyms can be useful in various contexts, such as describing differences between two concepts or highlighting the disconnection between two events. Ultimately, understanding the antonyms of "occurring with" can enrich our vocabulary and communication skills.