seal one's fate

seal (one's) fate

To solidify or confirm that a particular, usually unpleasant, thing will happen. If you fail this exam, it will seal your fate and make your GPA low enough to qualify for expulsion.
See also: fate, seal
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

seal one's fate

Decide what will become of one, as in The letter of rejection sealed his fate; he'd have to apply to other medical schools. This term employs seal in the sense of "permanently fix or fasten something," a usage dating from the mid-1600s.
See also: fate, seal
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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