mindmap root((顶峰)) summit implies the topmost level attainable: a singer at the ~ of his career. peak suggests the highest point reached in a course or during a specific length of time: an artist working at the ~ of her powers. pinnacle suggests a dizzying and often insecure height: the ~ of success. climax implies the highest point in an ascending series: the moon landing marked the ~ of the program. apex implies the point where all ascending lines or processes converge and in which everything is concentrated: Dutch culture reached its ~ in the 17th century. acme implies a level of quality representing the perfection of a thing: a statue that was once deemed the ~ of beauty. culmination suggests an apex that is the outcome of a growth or development: the bill marked the ~ of the civil rights movement.