Callow/ˈkæləʊ/ Definition 1 of 2Pro Tip 1/3Negative Implication Often implies insufficient ability or judgment due to inexperience. The callow manager struggled to make decisive choices. Pro Tip 2/3Learning Context Used when highlighting someone's need to learn and grow in a field. Her callow understanding of politics became evident during the debate. Pro Tip 3/3Not an Insult While it hints at immaturity, it's not typically used as a harsh criticism. His callow sense of humor was more endearing than annoying.