Osculant is an uncommon word that means "tending to kiss" or "touching or nearly touching." Some synonyms for osculant include "close," "proximate," "adjacent," "near," "contacting," and "bordering." All of these words suggest a degree of physical proximity or connection. Other synonyms for osculant may include "intimate," "familiar," or "affectionate," as these all imply a closeness and connection between people or things. While osculant may not be a commonly used word, understanding its synonyms can help expand your vocabulary and improve your communication skills.