step down

step down idiom
  1. Resign from office, as in He threatened to step down if they continued to argue with him. [Late 1800s]
  2. Reduce, especially in stages, as in They were stepping down the voltage. [c. 1900] Also see step up, def. 1.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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