What is another word for be sick of?
Pronunciation: [biː sˈɪk ɒv] (IPA) 
The phrase "be sick of" is an expression of exhaustion or frustration with someone or something. When looking for synonyms for this phrase, some fitting options include "fed up with," "tired of," "had enough of," and "bored with." Other synonyms might include "weary of," "disgusted with," "annoyed by," or even "exasperated by." These phrases all convey a sense of an individual reaching their breaking point with a particular person or situation. Whether it's an annoying habit, a person who won't listen, or a work project that has gone on too long, there are many ways to express one's displeasure when they have had enough.
