There are several synonyms to describe being sick other than 'was sick'. One can use 'was ill', 'was under the weather', 'felt unwell', 'wasn't feeling well', 'was indisposed,' 'was down with an illness', or 'was feeling poorly'. Each of these phrases carries the same meaning as 'was sick' but may add a slight variation in tone or level of severity. It is essential to choose an accurate phrase to convey the right message, whether it's a mild illness that subsided quickly or a more severe condition that required medical attention. In conclusion, expanding one's vocabulary can provide clearer communication and aid in expressing oneself more effectively while avoiding confusion.