Off-again is a term used to describe an on-again-off-again relationship or arrangement. Some commonly used synonyms for this phrase include inconsistent, sporadic, variable, erratic, intermittent, fickle, and unstable. These words all suggest that something is not consistently stable or reliable, and may change or shift frequently. Off-again relationships or arrangements can be frustrating and confusing, especially when one person is more committed than the other. Learning and using these synonyms can help to convey a more precise and accurate description of such situations, assisting in better communication and understanding between all parties involved.