Hit-and-miss rag is a colloquial expression used to describe something that is unpredictable or unreliable. Synonyms for this phrase include hit-or-miss, haphazard, inconsistent, erratic, patchy, uneven, sporadic, random, unreliable, aimless, and disorganized. These terms capture the essence of a hit-and-miss rag and can be used to describe various situations where outcomes are uncertain. Such situations can range from unpredictable weather patterns, to unreliable performance of a vehicle, or even unsuspected behavior of people. It's vital to identify when something is a hit-and-miss rag because it's not dependable, and thus, it must be approached with caution or avoided.