The word "denumerable" refers to things that can be counted or enumerated. However, there are many antonyms for the term, which signify the opposite meaning. Some of the antonyms for the word "denumerable" include uncountable, infinite, boundless, immeasurable, unquantifiable, indeterminate, and incalculable. When something is uncountable, it means that it cannot be counted or measured, and there is no finite quantity to it. On the other hand, infinite and boundless refer to things that have no limits or boundaries, and they cannot be counted or measured. Similarly, immeasurable, unquantifiable, indeterminate, and incalculable refer to things that cannot be measured or counted using any method.