This meaning refers to a superstitious force thought to cause repeated misfortune or failure.
The team believed the stadium carried a jinx.
They tried to break the jinx before the final.
This informal meaning refers to someone or something blamed for causing misfortune.
Some fans called the commentator a jinx.
That old necklace became his personal jinx.
This meaning refers to supposedly causing failure or misfortune by speaking too confidently or through an unlucky influence.
Do not jinx the project by celebrating too early.
She feared that mentioning the score would jinx the team.
In a children's or playful convention, jinx refers to two people speaking the same words simultaneously, sometimes followed by a rule that one person must remain silent.
We said the same word together and she shouted, 'Jinx!'
They jinxed each other during the conversation.
