The phrase "abnormal appetite" can also be described as ravenous hunger, insatiable cravings, uncontrolled gluttony, excessive hunger, voracious appetite, or uncontrollable hunger. Other synonyms for this condition might include hyperphagia, bulimia, binge eating, or food addiction. These terms all encompass the idea that one's appetite is not typical or normal, and may indicate an underlying medical or psychological condition. It's important to address any concerns related to abnormal appetite with a healthcare professional, as it can lead to serious health problems if left untreated.