hex

UK: /ˈhɛks/ US: /hɛks/ ,(heks)

WordReference Random House Learner's Dictionary of American English © 2025

hex¹ /hɛks/   v. [~ + object]

1. to bewitch:
   They were hexed by the wicked witch.
2. to bring bad luck to;
   jinx.

n. [countable]

3. a spell;
   charm;
   jinx.

WordReference Random House Unabridged Dictionary of American English © 2025

hex¹  (heks), v.t. 

1. to bewitch;
   practice witchcraft on:
   He was accused of hexing his neighbors' cows because they suddenly stopped giving milk.

n. 

2. spell;
   charm:
   With all this rain, somebody must have put a hex on our picnic.
3. a witch.

• German Hexe witch; see hag¹
• 1820–30

hex′er, n. 

hex²  (heks), adj. [Informal.]

1. Mathematics hexagonal:
   a bolt with a matching washer and hex nut.
2. Computing, Mathematics hexadecimal (def. 1).

• by shortening 1920–25

hex., 

1. Mathematics hexagon
2. Mathematics hexagonal.

Collins Concise English Dictionary © HarperCollins Publishers::

hex / hɛks/ noun

1. short for hexadecimal
2. (as modifier): hex code

hex / hɛks/ verb

1. (transitive) to bewitch

noun

1. an evil spell or symbol of bad luck
2. a witch

Etymology: 19th Century: via Pennsylvania Dutch from German Hexe witch, from Middle High German hecse, perhaps from Old High German hagzissa; see hag¹

WordReference Random House Unabridged Dictionary of American English © 2025

hexa-, 

1. a combining form meaning "six,'' used in the formation of compound words:
   hexapartite.

Also,[esp. before a vowel,] hex-. 

• combining form representing Greek héx six