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

1 sense of arch

Sense 1
arch, curve, arc -- (form an arch or curve; "her back arches"; "her hips curve nicely")
       => bend, flex -- (form a curve; "The stick does not bend")

Antonyms of adj arched

1 of 2 senses of arched

Sense 2
arced, arched, arching, arciform, arcuate, bowed -- (forming or resembling an arch; "an arched ceiling")

INDIRECT (VIA curved) -> straight -- (free from curves or angles; "a straight line")

Similarity of adj arched

2 senses of arched

Sense 1
arched -- (constructed with or in the form of an arch or arches; "an arched passageway")

Sense 2
arced, arched, arching, arciform, arcuate, bowed -- (forming or resembling an arch; "an arched ceiling")
       => curved (vs. straight), curving -- (having or marked by a curve or smoothly rounded bend; "the curved tusks of a walrus"; "his curved lips suggested a smile but his eyes were hard")