The word "sucky" is often used to express disappointment or disapproval. However, there are many synonyms that can be used in its place. A few examples include: lousy, terrible, awful, bad, poor, subpar, unsatisfactory, dismal, disappointing, and unpleasant. Each of these words carries a slightly different connotation, but they all convey a negative feeling or opinion. When choosing a synonym for "sucky" it's important to consider the context and tone of the message being conveyed. Using a more specific or descriptive word can help accurately convey the emotions or thoughts being expressed.