power of attorney

noun phrase

: a legal instrument authorizing one to act as the attorney or agent of the grantor

Examples of power of attorney in a Sentence

Recent Examples on the Web
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Topics include establishing a health care directive and naming a durable power of attorney for health care; creating a physician order for life-sustaining treatment and preparing an estate or financial plan. Linda McIntosh, San Diego Union-Tribune, 5 Feb. 2026 Childfree Trust partners with a trust company to offer childless individuals and couples medical and financial power of attorney and the ability to act as executor and trustee of the estate. Medora Lee, USA Today, 4 Feb. 2026 Embracing this practice also means having open conversations about long‑term care, powers of attorney, and estate plans before they’re needed; the kind of groundwork that gives families confidence and reduces stress when life inevitably shifts. Andrew Rosen, Forbes.com, 22 Jan. 2026 Although Hannah had signed an advance directive giving Holly power of attorney before her death, including the ability to request records, Holly still couldn’t get access. Megan Rose, ProPublica, 16 Jan. 2026 See All Example Sentences for power of attorney

Word History

First Known Use

1716, in the meaning defined above

Time Traveler
The first known use of power of attorney was in 1716

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Cite this Entry

“Power of attorney.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/power%20of%20attorney. Accessed 14 Feb. 2026.

Legal Definition

power of attorney

: an instrument containing an authorization for one to act as the agent of the principal that terminates especially upon revocation by the principal or death of the principal or agent

called also letter of attorney

durable power of attorney
: a power of attorney that becomes effective immediately and is not affected by the principal's subsequent incapacity or that becomes effective only upon the principal's incapacity
general power of attorney
: a power of attorney authorizing the agent to carry on business or an enterprise for the principal compare special power of attorney in this entry
health care power of attorney
: a power of attorney authorizing an agent to make health care decisions in the event of incapacity

called also medical power of attorney

irrevocable power of attorney
: a power of attorney that cannot be revoked by the principal
special power of attorney
: a power of attorney authorizing the agent to carry out a particular business transaction for the principal
springing power of attorney
: a power of attorney that comes into effect only upon the occurrence of a specified condition (as the incapacity of the principal)

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