The phrase "has coition" refers to sexual intercourse or physical intimacy. However, there are several antonyms for this term, which convey the opposite meaning. Some of the antonyms of "has coition" are abstain, refrain, avoid, and reject.
Abstain means to restrain oneself from following a particular action, such as sexual activity or intercourse. Refrain denotes the same meaning as abstain, which is to avoid engaging in sexual intercourse.
Avoid means to keep away from something or someone, and in this context, it implies the avoidance of any sexual activity. Reject means to refuse to accept or participate in something, and when it comes to sexual activity, it means refusing to engage in it.