testamentary

American  

[tes-tuh-men-tuh-ree, -men-tree] / ˌtɛs təˈmɛn tə ri, -ˈmɛn tri /

Sometimes testamental

adjective

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.

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testamentary British  

/ ˌtɛstəˈmɛntərɪ /

adjective

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

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Other Word Forms

• nontestamentary adjective
• untestamental adjective
• untestamentary adjective

Etymology

Origin of testamentary

First recorded in 1425–75; late Middle English word from Latin word testāmentārius. See testament, -ary

Example Sentences

There are stages of dementia, and it’s not clear from your letter whether your mother maintains testamentary capacity.

From MarketWatch

Alternatively, you could each place your 50% interest in the home into a testamentary trust at your death, giving the surviving spouse the right to live there for life.

From MarketWatch

A will can generally be contested among these grounds: lack of testamentary capacity, undue influence from a family member, and improper execution.

From MarketWatch

Your mother would need to have “testamentary capacity” and not be subject to undue influence to sign any legal documents regarding the transfer of property or make changes to her will.

From MarketWatch

You can challenge a will, if there even was a will, based on undue influence, lack of testamentary capacity and/or fraud, among other reasons.

From MarketWatch