To jinx is defined as to bring someone bad luck.
(verb)An example of jinx is to tell someone that they won’t do well at a competition.
The definition of a jinx is something that gives you bad luck.
(noun)An example of a jinx is a charm that someone says is cursed.
See jinx in Webster's New World College Dictionary
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noun
Origin: earlier jynx < L iynx < Gr, the wryneck (bird used in black magic)
transitive verb
See jinx in American Heritage Dictionary 4
noun
Origin:
Origin: Possibly from jynx, wryneck (from its use in witchcraft)
Origin: , from Latin iynx
Origin: , from Greek iunx
Origin: , perhaps from iuzein, to call, cry
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