Overarched is a verb that describes something that is shaped or formed like an arch. It is often used to describe the appearance or structure of something that resembles an arch. Synonyms for this word include "arched," "curved," "bent," "cambered," and "vaulted." All of these words have similar meanings to overarched, but they may be used in slightly different contexts or refer to different types of arches or curves. For example, "cambered" is often used to describe the curve of a road or bridge, while "vaulted" refers specifically to the curved ceiling of a building or cave. Regardless of the specific word used, the meaning of overarched remains the same: something that is curved or shaped like an arch.