dead set

1 of 2

phrase

: firmly determined
The mayor was dead set against [=strongly opposed to] the plan.
She was dead set on [=completely certain about] going to college.

set against

2 of 2

verb

set against; setting against; sets against
: feeling strongly that one does not want (something) or will not do (something)
Everyone was set against going.
He was dead set against the deal.

Examples of dead set in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Phrase
Some real-estate experts contend, however, that institutions shelling out millions to underwrite a property are already dead set on recouping their investments. Shomik Mukherjee, Mercury News, 19 July 2026 The Offspring are dead set on making history — in a rather unusual way. Maya Georgi, Rolling Stone, 2 July 2026
Verb
Their return is set against a backdrop of royal drama and a longstanding rift within the family that is far from repaired. Jennifer Hassan, USA Today, 20 Aug. 2026 That came to fruition for him in a game setting against Washington. David Furones, Sun Sentinel, 17 Aug. 2026 See All Example Sentences for dead set

Browse Nearby Words

Cite this Entry

“Dead set.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dead%20set. Accessed 29 Aug. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster