What are the opposite words for c's?

The term "c's" doesn't have an exact antonym, as it's not a commonly-used word on its own. However, if we consider some possible meanings of the term, we can find some contrasting words. For example, if we interpret "c's" as a reference to grades in school, its opposite would be "F's," which is the lowest possible score. Alternatively, if we take "c's" as an abbreviation of "sea," its antonym would be "land," as these are two contrasting environments. Additionally, if we see "c's" as a short form of "see," its antonym could be "blind," as in we cannot see anything. Therefore, depending on the meaning assigned to "c's," we can come up with different opposite words.

Antonym of the day

getting way
approve, begin, go.