The antonyms for the word "more corpselike" would be adjectives that describe the opposite of a lifeless, dead appearance. Some possibilities could include: lively, animated, vigorous, energetic, healthy, robust, and vivacious. These words paint a picture of a living, thriving body, full of movement and vitality. In contrast to the dullness and stillness of a corpse, these antonyms suggest a sense of vibrancy and verve. Another set of potential antonyms might highlight a sense of warmth, such as: friendly, welcoming, hospitable, or approachable. All of these words imply a sense of connection and vitality, which stand in stark contrast to the lifelessness of a corpse.