Antonyms for the term "more spiritualistic" are generally words that suggest a lack of interest in spirituality, or an affinity for things that are more grounded in the physical world. Some possible antonyms could include "materialistic," "skeptical," "pragmatic," "concrete," "down-to-earth," or "scientific." These words suggest a preference for things that can be seen, measured, and proven, rather than things that are more abstract and intangible. While some people may view spirituality as a path to personal growth and enlightenment, others may see it as nothing more than a distraction from the concrete realities of life.