[tes-tuh-men-tuh-ree, -men-tree]
  1. of, relating to, or of the nature of a testament or will.
  2. given, bequeathed, done, or appointed by will.
  3. set forth or contained in a will.
Sometimes tes·ta·men·tal [tes-tuh-men-tl] /ˌtɛs təˈmɛn tl/.

Origin of testamentary

First recorded in 1425–75; late Middle English word from Latin word testāmentārius. See testament, -ary
Related formsnon·tes·ta·men·ta·ry, adjectiveun·tes·ta·men·tal, adjectiveun·tes·ta·men·ta·ry, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of testamentary

British Dictionary definitions for testamentary


  1. of or relating to a will or testament
  2. derived from, bequeathed, or appointed by a will
  3. contained or set forth in a will
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for testamentary

mid-15c., from Latin testamentarius, from testamentum (see testament).

Online Etymology Dictionary, © 2010 Douglas Harper