custodian

noun

cus·​to·​di·​an ˌkə-ˈstō-dē-ən 

: one that guards and protects or maintains

especially : one entrusted with guarding and keeping property or records or with custody or guardianship of prisoners or inmates

custodianship

ˌkə-ˈstō-dē-ən-ˌship 

noun

Synonyms

• caretaker
• guardian
• janitor
• keeper
• warden
• watchman

Examples of custodian in a Sentence

the custodian made his usual rounds of the building to make sure that everything was OK

served as custodian of the prisoner until he could be turned over to federal authorities

Recent Examples on the Web

The school board approved the closing of three elementary schools and the elimination of 19 teaching jobs and more than 100 other jobs, including 25 custodians. —Carole Carlson, Chicago Tribune, 6 May 2025

To further preserve the complete privacy of the conclave, the support staff — including chefs, cleaners and custodians — all took an oath of secrecy, of which the punishment for breaking it is excommunication, CBS News reported. —Rachel Raposas, People.com, 6 May 2025

Whether these accounts become more mainstream may depend on efforts by custodians and financial advisors to educate the public about their risks and benefits. —Tyler Shepherd, USA Today, 1 May 2025

Critics were right in their concern about allowing the custodians of public information to decide who is a journalist. —Jim Martin, Denver Post, 1 May 2025

Word History

First Known Use

1602, in the meaning defined above

Rhymes for custodian

• cambodian
• collodion
• foucauldian
• nickelodeon

Kids Definition

custodian

noun

cus·​to·​di·​an ˌkəs-ˈtōd-ē-ən 

1

: someone who guards and protects or takes care of something for another person

2

: someone who cleans and takes care of a building : janitor sense 2

Legal Definition

custodian

noun

cus·​to·​di·​an

: an individual entrusted with guarding and keeping property or having custody of a person: as

a

: the warden of a prison

b

: a person given custody of a child by court order

c

: a person named to manage a child's property under the Uniform Transfers to Minors Act

d

: a person or entity appointed by a bankruptcy court to take charge of the debtor's property for purposes of administration

custodianship noun