In a large skillet, cook beef over medium heat until no longer pink, breaking it into crumbles; drain. Transfer to a 5-qt. slow cooker. Stir in the tomatoes, beans, water, onion, green pepper, vinegar, chili powder, Worcestershire sauce, bouillon and seasonings. Cover and cook on low for 5-6 hours or until heated through., Stir in macaroni; cover and cook 30 minutes longer or until macaroni is tender.