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Definition of custodian

custodian

/kəˈstoʊ.di.ən/
cus · to · di · an
Adverb:custodially
•
Plural:custodians
•
Adjective:custodial
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custodian Lexical Profile

custodian Game Scores & Validity

• noun

1

North American A person employed to clean, maintain, and look after a public building, such as a school, library, or office.

Example

"The school custodian stayed late to wax the gymnasium floor before the championship game."

2

A person or institution that has responsibility for taking care of or protecting something, such as historical artifacts, legal records, or financial assets.

Example

"The national museum serves as the official custodian of the country's most precious historical manuscripts."

Synonyms
View all synonyms for custodian

• Rhymes for custodian

• Nearby Words

custard
custardy
custodial
custodian
custodianship
custody
custom

Word Origin & Etymology

Derived from the Latin noun 'custodia' (meaning 'guardianship' or 'keeping'), which in turn comes from 'custos' ('a guard' or 'keeper'), combined with the agent suffix '-ian'.

Cite this Entry

Wordmom. (2026). Definition of Custodian. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/custodian
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