ferret out

ferret out idiom
Uncover and bring to light by searching, as in Sandy was a superb reporter, tireless in ferreting out whatever facts were needed for her story. This expression alludes to hunting with ferrets, weasel-like animals formerly used to drive rabbits out of their burrows. [c. 1600]

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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