level off

level off idiom
Move toward stability or consistency, as in Prices have leveled off. This idiom transfers a physical flattening to a figurative one. [Mid-1900s]

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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