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seal someone's fate

idiom

: to make the future that someone will have certain
Their decision sealed her fate. Once they made their decision, her fate was sealed.
Her fate was sealed by the marriage arrangement made in her youth.

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“Seal someone's fate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seal%20someone%27s%20fate. Accessed 29 Nov. 2025.

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