Antonyms of adj upcurved

1 sense of upcurved

Sense 1
upcurved -- (curving upward)

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

Similarity of adj upcurved

1 sense of upcurved

Sense 1
upcurved -- (curving upward)
       => 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")