Etymology From obsolete French rebuffer, from Middle French rebuffer (compare French rebiffer (“to rise up, revolt”)), from Italian ribuffare.
1
A sudden resistance or refusal.
He was surprised by her quick rebuff to his proposal.
And it is symptomatic of the many paradoxes of Lederer's life that of all the people in the room, Brotherhood is the one whom he would most wish to serve, if ever he had the opportunity, even though — or perhaps because — his occasional efforts to ingratiate himself with his adopted hero have met with iron rebuff.1986, John le Carré, A Perfect Spy:
2 more examples
His administration’s blunt rebuff of a plea by his ally and Michigan’s Democratic Gov. Gretchen Whitmer for an increased supply of vaccines to combat a Covid-19 spike represents the kind of tough decision the President and his team will increasingly face on the exit road from the crisis.2021 April 13, Stephen Collinson, “Michigan vaccine rebuff puts Biden and a top ally in a dicey political spot”, in CNN, archived from the original on 30 Dec 2022:
U.S. President Joe Biden said on Thursday that he would support a new election in Venezuela, after Brazilian President Luiz Inacio Lula da Silva also floated the idea, despite rebuffs from Venezuela's ruling party and its opposition which both claim victory in the July 28 contest.2024 August 15, “US, Brazil float new Venezuela election despite government, opposition rebuffs”, in Fox News, sourced from Reuters, archived from the original on 28 Aug 2024:
2
Repercussion, or beating back.
the strong rebuff of some tumultuous cloud1667, John Milton, “Book II”, in Paradise Lost. […], London: […] [Samuel Simmons], and are to be sold by Peter Parker […]; [a]nd by Robert Boulter […]; [a]nd Matthias Walker, […], →OCLC; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, →OCLC:
rebuff
verb
Etymology From obsolete French rebuffer, from Middle French rebuffer (compare French rebiffer (“to rise up, revolt”)), from Italian ribuffare.
1
To refuse; to offer sudden or harsh resistance; to turn down or shut out.
The plaque (2014) doesn't tell you that Leonard [Woolf] had initially been rebuffed. His intended proposal was refused by Virginia [Woolf to be], who then had a change of heart.2021 September 22, Stephen Roberts, “The writings on the wall...”, in RAIL, number 940, page 71:
Lawyers for CBS News are rebuffing a legal threat from Donald Trump over the network’s “60 Minutes” interview with Kamala Harris, telling the former president his demands are based on a “faulty premise.”2024 October 23, Brian Stelter, “CBS News rebuffs Trump’s legal threat over ‘60 Minutes’ interview”, in CNN, archived from the original on 23 Jul 2025:
1 more example
“If you have rule of the bureaucrat — if the bureaucracy is in charge, then what meaning does democracy actually have?” Musk said during his 30-minute appearance with Trump, where he rebuffed critics who said he’s the one undermining democratic institutions.2025 February 14, Marshall Cohen, “The almighty Musk: How the world’s richest man became Washington’s most powerful bureaucrat”, in CNN, archived from the original on 04 Jul 2025: