verb (used with object)
verb (used without object)
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OTHER WORDS FROM stiffeno·ver·stiff·en, verbun·stiff·ened, adjective
Example sentences from the Web for stiffen
At the crucial moment, she stiffened George HW Bush's spine to fight to rescue Kuwait in the first Gulf War.How Margaret Thatcher Saved Britain and Changed the World|David Frum|April 8, 2013|DAILY BEAST
It stiffened Israeli backs even further against being conciliatory about starting talks with the Palestinians.
She stiffened in her chair and said, "Nobody takes this more personally than the president."
Lancken stiffened perceptibly at this suggestion and refused, frankly, saying that he could not do anything of the sort.A Journal From Our Legation in Belgium|Hugh Gibson
He led the way, walking rapidly, while Marishka struggled beside him as fast as her stiffened limbs permitted.The Secret Witness|George Gibbs
Ingram cursed, and sprang at him, but Glyde stiffened his arm and held him off.Rest Harrow|Maurice Hewlett
With stiffened joints, but light hearts, we seek our lodgings.Nooks and Corners of the New England Coast|Samuel Adams Drake
Mr. Lindsay stiffened slightly, and there was a world of meaning in his one word of answer, "No!"The Tobacco Tiller|Sarah Bell Hackley