The phrase "in a muddle" typically refers to a state of confusion, disorganization, or chaos. Its antonyms, or opposites in meaning, include words such as organized, clear, tidy, systematic, methodical, and efficient. When you're not in a muddle, you're able to remain focused, aware, and productive in your pursuits. You're able to sort through information or obstacles with ease, effortlessly identifying the most efficient solutions. You can think clearly and logically, without getting bogged down in tangled thoughts or unnecessary distractions. By employing these antonyms to "in a muddle," you can increase your productivity, efficiency, and overall sense of well-being.