The word "time beings" could mean a variety of things depending on the context it's used in. Some synonyms for "time beings" might include "temporal entities," "chronological objects," or "time-based organisms." Other options might include "momentary existences," "time-bound entities," or "time-constrained beings." More colloquially, "time beings" could be replaced with "temporary creatures," "timely beings," or "time-dependent entities." Ultimately, the best synonym for "time beings" will depend on the specific context and intended meaning of the term.