The word "vacantness" is often used to describe a state of emptiness or lack of activity. Synonyms for this word include "void," "emptiness," "hollowness," and "desolation." These words are particularly effective in describing a space or place that is devoid of life or energy, such as an abandoned building or a deserted street. Other synonyms for "vacantness" include "barrenness," "uninhabitedness," and "loneliness." These words convey a sense of bleakness and solitude, and are often used to describe landscapes or locations that are remote or isolated. Regardless of the context, synonyms for "vacantness" are useful in capturing the essence of a space or place that is devoid of activity or motion.