The antonyms for "more coordinated" can be "clumsy," "awkward," "inept," "ungainly," or "bungling." These words describe a lack of smoothness, efficiency, and the ability to control and coordinate bodily movements. Someone who is clumsy may trip or stumble often, while someone who is awkward may find it difficult to perform simple tasks with ease. Ineptness denotes an inability to grasp basic movements, while someone who is ungainly may move in an unattractive or ungainly way. Finally, bungling implies an ineptitude for managing tasks with skill or efficiency. All of these words are antonyms for "more coordinated," which describes someone with grace, poise, and effortless movement.