sinistrorsal

S1I1N1I1S1T1R1O1R1S1A1L1

adjective

Rising spirally from right to left (of the observer)

“sinistrorsal shells”

Similar
sinistrorsesinistral
OriginLatin sinistrorsus →
Scrabble 12
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Meanings

adjectivesinistrorsal (not comparable)
  1. not comparableRising spirally from right to left (of the observer)

    sinistrorsal shells

    2 more examples

    sinistrorsal gyrations of a storm

    sinistrorsal solenoid

  2. not comparablebiologysinistrorse.

Synonyms & antonyms

adjectivespiraling upward from right to left

Similar
sinistrorsesinistral
Also see
sinistralsinistrorse

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinsinistrorsus
  2. Englishsinistrorsal

From Latin sinistrorsus, sinistroversus (“turned toward the left side”), from sinister (“left”) + vertere, vortere, versum, vorsum (“to turn”).

More words from Latin

Full word history & related roots →
Cite this entry
APA

sinistrorsal. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/sinistrorsal

MLA

“sinistrorsal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sinistrorsal. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “sinistrorsal,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/sinistrorsal.

Source: sinistrorsal on Wiktionary, CC BY-SA 4.0.