Antonyms for the phrase "puts on top of the world" include words like "depressed", "defeated", "deflated", "discouraged", "despondent", "demoralized", "disheartened", "dispirited", "crestfallen", "downcast", "low", "sad", and "wretched". All of these words describe feelings of sadness, disappointment, or loss of confidence. While someone who is "put on top of the world" feels exuberant, confident, and in control, someone who is experiencing any of these antonyms would feel the opposite. It is important to acknowledge and address these negative emotions and seek help if necessary.