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3. dead set against

dead set against

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dead set against someone or something

totally opposed to someone or something. I'm dead set against the new tax proposal. Everyone is dead set against the mayor.

See also: dead, set

dead set against something

completely opposed to something She wanted to move to Los Angeles but her parents were dead set against it.

See also: dead, set

dead set against

Completely opposed to, as in His parents were dead set against John's taking a year off from college. Set against has been used to mean "opposed to" since the 1400s. Dead acquired the meaning "utterly" in the 16th century.

See also: dead, set