Antonyms for the word "more ritual" could be "less formal", "casual", or "spontaneous". When something is less formal, it is less structured and less regulated. It may be more relaxed and less rule-bound. Casual refers to something that is informal, relaxed, or unconstrained. This could mean that there are no set rules, or that things are left up to individual interpretation. Finally, something spontaneous is something that is unplanned, free-spirited, and immediate. It is something that happens in the spur of the moment and is often unrehearsed. Antonyms for "more ritual" can vary depending on the context and nature of the situation.