The term "kisses off" is a colloquial expression that means to dismiss or reject someone or something. Some antonyms of "kisses off" are "embrace," "welcome," "accept," "include," and "integrate." These words denote a positive and accepting attitude towards someone or something. Alternatively, the term "kisses on" could be used as an antonym, as it implies a warm and loving embrace. Other antonyms for "kisses off" include "validate," "affirm," and "endorse," as they suggest that an individual or idea holds value and should be recognized. Ultimately, the opposite of "kisses off" is any action that conveys a sense of acceptance, validation, or approval.