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undouble

[ uhn-duhb-uhl ]
/ ʌnˈdʌb əl /
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verb (used with object), un·dou·bled, un·dou·bling.
to unfold; render single.
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Origin of undouble

First recorded in 1590–1600; un-2 + double
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use undouble in a sentence

  • To undouble him, that he might fit into a coffin, they had been forced to lug him to a fire and thaw him out a bit.

  • His gum boots screeched, the bench creaked as he began to undouble himself.

  • The rheumatiz stiffened me so I couldn't double up, and now it has stiffened me so I can't undouble.

    Giles Corey, Yeoman|Mary E. Wilkins Freeman
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