plural guardians
Synonyms of guardian
1
: someone or something that guards : custodian
The historical society serves as the guardian of the town's traditions.
2
: someone who is legally responsible for the care and management of property belonging to someone else, or of a person who is unable to manage their own affairs
often, specifically : a person granted legal custody of a minor who is not the person's own biological child
The school sent a letter home to all parents and guardians.
… went to court to secure a nonrelative as the girls' legal guardian … —Janet Maslin
3
: a superior of a Franciscan monastery
guardianship noun
plural guardianships

Examples of guardian in a Sentence

After the death of her parents, her uncle was appointed as her legal guardian. the state became his guardian when he was put into protective custody
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The incident did not involve personal information involving parents or guardians. — Tim Fang, CBS News, 20 Oct. 2026 Officials said that parents and guardians may want to consider requesting a free credit freeze for their children who are under 16 to help prevent unauthorized accounts from being opened in the names of their children. — Howard Blume, Los Angeles Times, 17 Oct. 2026 ChatGPT is intended for users age 13 and older, and users under 18 need permission from a parent or guardian to use it, OpenAI said. — Marc Levy, Fortune, 17 Oct. 2026 Corniel’s new settlement does not resolve separate wrongful death claims brought on behalf of Drakeo’s young son, Caiden Caldwell, by the child’s guardian. — Nancy Dillon, Rolling Stone, 15 Oct. 2026 See All Example Sentences for guardian

Word History

Etymology

Middle English gardein, wardein — more at warden

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of guardian was in the 15th century

Cite this Entry

“Guardian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/guardian. Accessed 21 Oct. 2026.

Kids Definition

guardian

noun
guard·​i·​an
ˈgärd-ē-ən
1
: one that guards : custodian
2
: one who legally has the care of a person or the property of another
guardianship
-ˌship
noun

Legal Definition

: one who has or is entitled or legally appointed to the care and management of the person or property of another compare committee, conservator, curator, receiver, tutor
— guardian ad litem \ -​ad-​ˈlī-​təm, -​äd-​ˈlē-​tem \
: a guardian appointed by a court to represent in a particular lawsuit the interests of a minor, a person not yet born, or a person judged incompetent
— guardian by nature
: natural guardian in this entry
— natural guardian
: a guardian by natural relationship having custody of the person but not the property of a minor

Note: Under common law the father is considered the natural guardian of a child until his death or incapacitation, whereupon the mother becomes the natural guardian. Many states have passed statutes giving both parents equal rights as guardians.

— statutory guardian
: a guardian appointed by statutory authority
— testamentary guardian
: a person named in a will to serve as a guardian
guardianship noun

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