The phrase "be wonky" means to be unreliable, unstable or not functioning properly. It can refer to anything that is out of order, from a shaky economy to a malfunctioning appliance. There are several synonyms that can be used to describe something that is wonky, including; erratic, unpredictable, unsteady, erratic, shaky, unreliable, irregular, unstable, shaky, wobbly, and faltering. These words all relate to something that doesn't work the way it should, suggesting a lack of balance or consistency. Whether you're talking about a computer program or a wonky chair, these synonyms can help you describe what's happening when things aren't working the way they should be.