say it: heks
hex is a noun, verb and adjective meaning "an evil spell". It carries 3 recorded senses.
cast a spell over someone or something; put a hex on someone or something
of or pertaining to a number system having 16 as its base
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for hex come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.