Document ID: ./input/supremecourt_opinions/opinions/19pdf/17-1618_hfci.pdf
Page Number: 102.0

Cite as:  590 U. S. ____ (2020) 

65 

ALITO, J., dissenting
Appendix B to opinion of ALITO, J. 

Random  House  Webster’s  Unabridged  Dictionary 
1754 (2d ed. 2001): 

Sex (seks), n.  1. either the male or female division of a spe-
cies, esp. as differentiated with reference to the reproduc-
tive functions.  2. the sum of the structural and functional 
differences  by  which  the  male  and  female  are  distin-
guished,  or  the  phenomena  or  behavior  dependent  on 
these  differences.  3.  the  instinct  or  attraction  drawing
one sex toward another, or its manifestation in life and 
conduct.  4. coitus.  5. genitalia.  6. to have sex, to engage 
in sexual intercourse. – v.t.  7. to ascertain the sex of, esp. 
of newly-hatched chicks.  8. sex up, Informal. a. to arouse 
sexually: The only intent of that show was to sex up the 
audience. b. to increase the appeal of; to make more in-
teresting, attractive, or exciting: We’ve decided to sex up 
the  movie  with  some  battle  scenes.  [1350–1400;  ME  <  L 
Sexus, perh. akin to secāre to divide (see SECTION)] 

American Heritage Dictionary 1605 (5th ed. 2011): 

Sex  (seks)  n.  1a.  Sexual  activity,  especially  sexual  inter-
course: hasn’t had sex in months. b. The sexual urge or in-
stinct  as  it  manifests  itself  in  behavior:  motivated  by  sex. 
2a. Either of the two divisions, designated female and male,
by which most organisms are classified on the basis of their 
reproductive organs and functions: How do you determine 
the sex of a lobster? b. The fact or condition of existing in 
these two divisions, especially the collection of characteris-
tics that distinguish female and male: the evolution of sex 
in  plants;  a  study  that  takes  sex  into  account.  See  Usage
Note at gender. 3.  Females or males considered as a group: 
dormitories that house only one sex. 4. One’s identity as ei-
ther female or male. 5. The genitals. ⸭ tr.v. sexed, sex-ing, 
sex-es 1. To determine the sex of (an organism). 2. Slang a. 
To arouse sexually. Often used with up. b. To increase the