"To a sickening degree" is a phrase used to describe an excess of something to the point of being nauseating or unbearable. Synonyms for this phrase include "excessively", "overwhelmingly", "intensely", "unbearably", "to an extreme extent", and "beyond measure". Other synonyms for this phrase might be "to a revolting extent", "to a repulsive degree", or "to a disgusting level". These synonyms help convey the idea of something being so overwhelming that it becomes unbearable, and that further exposure to it is sickening. Whether describing a nauseating odor or an overpowering emotion, these synonyms can help paint a vivid picture of an overwhelming experience.