guardian

noun

guard·​ian ˈgär-dē-ən 

plural guardians

1

: someone or something that guards : custodian

The historical society serves as the guardian of the town's traditions.

2

: someone who has the care of the person or property of another

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.

3

: a superior of a Franciscan monastery

guardianship

ˈgär-dē-ən-ˌship 

noun

plural guardianships

Synonyms

• custodian
• guard
• keeper
• lookout
• minder
• picket
• sentinel
• sentry
• warden
• warder
• watch
• watcher
• watchman

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

In her big-screen debut opposite Jack Black, Jason Momoa and Danielle Brooks, Myers ventures into the Overworld as Natalie, a savvy young adult who has just become the legal guardian of her little brother, Henry (Sebastian Hansen), after their mother’s death. —Michaela Zee, Variety, 3 Apr. 2025

Users can report offensive content, and for players under 16 years of age, a parent or guardian must first enable the feature using Nintendo’s parental controls app. —Kimberly Zapata, Parents, 3 Apr. 2025

If there is a violation, the e-vehicles can also be impounded, and if the operator is a minor, the vehicle would be released to the guardian or parent once the impound fee is paid. —Erika I. Ritchie, Oc Register, 29 Mar. 2025

Sharks play a critical role in the ecosystem as guardians of the seagrass, policing populations of turtles and other animals that would mow down all the seagrass if left unchecked. —Ian Urbina, Los Angeles Times, 28 Mar. 2025

Word History

Etymology

Middle English gardein, wardein — more at warden

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing guardian

• guardian angel

Rhymes for guardian

• ricardian

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

guardian

noun

guard·​ian ˈgär-dē-ən 

: 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