The term "lingual bone" refers to a bone in the tongue, and as such, it doesn't really have any antonyms. However, if we focus on the individual words "lingual" and "bone," we can come up with some antonyms. For "lingual," antonyms may include "nonverbal," "mute," or "silent," while for "bone," antonyms may include "soft," "flimsy," or "flexible." Combining these, we could say antonyms for "lingual bone" might be "soft tissue" or "flexible muscle." However, it's important to note that these terms don't really convey the same meaning as "lingual bone" and are not true antonyms for the term.