Nonattendance is a term that is often used to describe the absence of an individual from an event, meeting, or class. However, there are many other synonyms that can be used to describe nonattendance. For example, words such as absenteeism, truancy, and non-appearance can all be used to describe individuals who are not present at an event. Other words, such as non-participation or non-involvement, can be used to describe individuals who are not participating in a particular activity. Overall, there are many different synonyms that can be used to describe nonattendance, and understanding these different terms can help individuals to communicate more effectively and accurately.