under way

under way idiom
  1. In motion, as in The ship got under way at noon. [c. 1930]
  2. Already started, in progress, as in Plans are under way to expand. [c. 1930]

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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