The phrase "wast nauseous" refers to feeling sick or disgusted. There are various synonyms that can be used in place of this phrase depending on the context in which it is being used. Some of these synonyms include "queasy", "nauseated", "sickened", "repulsed", "revolted", "disgusted", "afflicted", "heaving", "retching", "bilious", "green", "sickly", "upset", "unwell", and "indisposed". Each of these synonyms conveys a slightly different nuance, but all describe a feeling of physical or mental discomfort, aversion, or rejection. When seeking precision in language, it is important to choose the right synonym to convey the intended meaning.