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]
Other Word Forms
Noun Inflected Forms
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.
And that allowed another hero to shrug off the pain of his own wounds and step up big.
From Los Angeles Times • Jul. 2, 2026
The announcement marks a significant step up in D-Wave’s yearslong relationship with the NSF.
From Barron's • Jun. 30, 2026
This score was worth as many given the step up in opposition – West Indies knocked England out of the last T20 World Cup, remember – and the state of the pitch.
From BBC • Jun. 24, 2026
Instead of continuing to craft lazy and reactionary half-measures, policymakers must step up and deliver the protections the public wants and needs.
From The Wall Street Journal • Jun. 23, 2026
The effort to step up cholera vaccinations has been steady but inadequate.
From "Mountains Beyond Mountains" by Tracy Kidder and Michael French
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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.