Antonyms of adj downward-arching

1 sense of downward-arching

Sense 1
downward-arching -- (curving downward)

INDIRECT (VIA descending) -> ascending -- (moving or going or growing upward; "the ascending plane"; "the ascending staircase"; "the ascending stems of chickweed")

Similarity of adj downward-arching

1 sense of downward-arching

Sense 1
downward-arching -- (curving downward)
       => descending (prenominal) (vs. ascending) -- (coming down or downward)