[ sin-uh-stral-i-tee ]
/ ˌsɪn əˈstræl ɪ ti /


the state or quality of having the left side or its parts or members different from and, usually, more efficient than the right side or its parts or members; left-handedness.
preference for using the left hand or side.
the state of being sinistral.

Nearby words

  1. sinigrin,
  2. sining,
  3. sinister,
  4. sinistrad,
  5. sinistral,
  6. sinistration,
  7. sinistro-,
  8. sinistrocardia,
  9. sinistrocerebral,
  10. sinistrocular

Compare dextrality.

Origin of sinistrality

First recorded in 1850–55; sinistral + -ity Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for sinistrality


[ sĭn′ĭ-strălĭ-tē ]


Preference for the left hand in performing manual tasks; left-handedness.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.