Antonyms of adj serpentine

1 sense of serpentine

Sense 1
serpentine, snaky, snakelike -- (resembling a serpent in form; "a serpentine wall"; "snaky ridges in the sand")

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

Similarity of adj serpentine

1 sense of serpentine

Sense 1
serpentine, snaky, snakelike -- (resembling a serpent in form; "a serpentine wall"; "snaky ridges in the sand")
       => 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")