The word "sexless" refers to people or things that are lacking in sexual characteristics or behavior. However, there are many synonyms that can be used to describe this term. Some of the most commonly used synonyms for sexless include asexual, nonsexual, celibate, abstinent, aromantic, unromantic, and platonic. Each of these words carries a slightly different connotation, but all refer to the absence of sexual desire or activity. Whether describing a person, a relationship, or a work of art, these synonyms offer a range of options for expressing the idea of sexlessness in a variety of contexts.