step-up
Americanadjective
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effecting an increase.
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Electricity. serving to increase voltage.
a step-up transformer.
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(of a lease) allowing for gradual rent increases to the highest amount permissible.
noun
verb
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(tr) to increase or raise by stages; accelerate
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(intr) to make progress or effect an advancement; be promoted
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baseball to move into batting position
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to come forward and take responsibility for something
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adjective
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(of a transformer) increasing a low voltage applied to the primary winding to a higher voltage on the secondary winding Compare step down
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informal involving a rise by stages
noun
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Increase, especially in stages, as in We've got to step up production . [Early 1900s] Also see step down , def. 2.
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Come forward, as in Step up to the podium, folks, and I'll show you how it works . [Mid-1600s]
Etymology
Origin of step-up
First recorded in 1890–95; adj., noun use of verb phrase step up
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The key step-up for Joshua came in his 15th fight: a win over Dillian Whyte for the British title, which developed his resolve and enhanced his profile.
From BBC • Mar. 28, 2026
His heirs will get step-up in basis of that Apple stock.
From Barron's • Feb. 28, 2026
The step-up in basis typically does most of the tax-saving work.
From MarketWatch • Feb. 21, 2026
The step-up in both consistency and output has been clear.
From BBC • Feb. 19, 2026
Divested of nearly all technical phrases, an induction coil may be briefly described as a step-up transformer of small capacity.
From The Boy Mechanic: Volume 1 700 Things for Boys to Do by Popular Mechanics Co.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.