Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb overarch

2 senses of overarch

Sense 1
overarch -- (be central or dominant; "This scene overarches the entire first act")
       => predominate, dominate, rule, reign, prevail -- (be larger in number, quantity, power, status or importance; "Money reigns supreme here"; "Hispanics predominate in this neighborhood")

Sense 2
overarch, arch over -- (form an arch over; "Big rocks overarch the stream")