a dead cert

a dead cert

slang Someone who is almost certain to do a certain thing or to succeed in a particular area. Sally is the most qualified candidate by far, so she's a dead cert for the promotion. You're so bright, I bet you're a dead cert for the scholarship. Don't tell Abe, but I heard he's a dead cert for the award!
See also: cert, dead
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

a dead ˈcert

(informal) a person or thing that is certain to win, succeed, etc: ‘Would you ever bet money on a horse?’ ‘No, not unless it was a dead cert.’
Dead here means complete or total. Cert is a short form of certainty.
See also: cert, dead
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
Summary: Colin Firth heads to tonight's Oscars "as close as you can get to a dead cert" to winning the Best Actor Award.
He said: "You can always have surprises, that said I think Colin Firth is as close as you can get to a dead cert for the Oscars."
Firth a 'cert' for Best Actor Oscar
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