The phrase "beyond number" refers to something that is so vast or numerous that it cannot be counted. Its antonyms, on the other hand, include words like limited, finite, countable, and enumerable. These words suggest that there is a limit or boundary to what can be counted or measured. Other antonyms for "beyond number" might include words like rare, scarce, or few, which suggest that something is in short supply or difficult to find. While the phrase "beyond number" often connotes abundance or excess, its antonyms offer a sense of constraint or scarcity, highlighting the importance of context and perspective in understanding language.