In-corporeality is a term that refers to the non-physical existence of something or someone. It is a word that is often used in philosophy and spirituality to describe the nature of the soul or spirit. There are many synonyms for in-corporeality that can be used depending on the context and the tone of the discussion. Some of these synonyms include insubstantiality, intangibility, immateriality, and ethereality. Other related words include ghostliness, phantom-like, and spectral. These synonyms all refer to the idea of something that is not tangible, or material. They suggest a sense of otherworldliness and transcendence that is often associated with spiritual or metaphysical discussions.