Allness is a term that refers to the quality of being complete, whole, or universal. It can also be described as the state of being all-encompassing, embracing everything, or including everything. Synonyms for allness include totality, completeness, comprehensiveness, universality, entirety, wholeness, and fullness. Each of these words has a slightly different shade of meaning, but they have in common the idea of inclusiveness and comprehensiveness. Using synonyms for allness can help to add variety and nuance to your writing, creating a more engaging and expressive style.