Antonyms of adj sinistrorsal

1 sense of sinistrorsal

Sense 1
sinistrorse, sinistrorsal -- (spiraling upward from right to left; "sinistrorse vines")

INDIRECT (VIA sinistral) -> dextral -- (of or on the right; "a dextral gastropod shell with the apex upward has its opening on the right when facing the observer"; "a dextral flatfish lies with the right eye uppermost")

Similarity of adj sinistrorsal

1 sense of sinistrorsal

Sense 1
sinistrorse, sinistrorsal -- (spiraling upward from right to left; "sinistrorse vines")
       => sinistral (vs. dextral) -- (of or on the left; "a sinistral gastropod shell with the apex upward has its opening on the left when facing the observer"; "a sinistral flatfish lies with the left eye uppermost")