As "adulthoods" refers to the period of life in which an individual is typically considered to be an adult, some antonyms for this term may include words related to childhood or adolescence. Some possible antonyms could include "youth," "adolescence," "childhood," "minors," or "juvenescence." Each of these words refers to a time in life that is distinct from adulthood, typically characterized by different experiences, challenges, and responsibilities. While there may be various antonyms for "adulthoods," each word highlights the unique qualities of various stages of life and helps contextualize our understanding of what it means to be an adult.