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well's run dry, the

well's run dry, the idiom

A supply or resource has been exhausted, as in There's no more principal left; the well's run dry, or There's not another novel in her; the well's run dry. This expression likens an underground water source to other plentiful sources. Benjamin Franklin used it in Poor Richard's Almanack (1757).

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.