The term "consciousness expanding" often refers to experiences that broaden one's perspective and understanding of the world. However, some antonyms for this phrase could include "narrow-minded," "unaware," "ignorant," or "closed off." These terms describe a lack of openness or willingness to learn and grow, which can limit one's ability to comprehend complex ideas and new information. Additionally, some may use the term "mind-numbing" as an opposite, which suggests a dulling or numbing of the senses rather than an expansion of consciousness. Overall, antonyms for "consciousness expanding" emphasize limited thinking and a lack of curiosity or receptivity to new ideas.