custodian

/kʌˈstəʊdiən/ (bre, ipa) · /kʌˈstəʊdiən/ (ame, ipa) · /ˌkə-ˈstō-dē-ən/ (ame, mw)

custodian — noun

  • custodiansingular
  • custodiansplural

1. a person who is in charge of looking after something valuable or important so th

1.名詞C1
釋義

a person who is in charge of looking after something valuable or important so that it stays safe and in good condition

例句

Beatriz works as the custodian of the museum's ancient coin collection.

custodian of + [collection/property]

The library appointed Theo as the custodian of its rare manuscripts last spring.

appointed [name] as the custodian of

同義詞
  • guardian

    more general; can refer to legal protection of people, not only objects

  • keeper

    less formal; often used for animals, museums, or records

  • trustee

    narrower; formal legal role managing assets for someone else

文法句型

custodian of [something valuable]

用法筆記

Subject is usually a person or institution holding formal responsibility; the object is something with material or sentimental value (collections, documents, property). Almost always followed by 'of'.

常見錯誤

She is the custodian for the rare books.
She is the custodian of the rare books.
💡this sense takes the preposition 'of', not 'for'.

2. a person or group that works to defend and uphold certain beliefs, traditions, o

2.名詞C1
釋義

a person or group that works to defend and uphold certain beliefs, traditions, or moral standards from being damaged or lost

例句

The elders of the village see themselves as custodians of their ancestors' traditions.

custodians of + [traditions/values]

Many journalists view the press as a custodian of democratic values.

custodian of + [abstract principle]

同義詞
  • guardian

    interchangeable in this sense; slightly more emotional

  • defender

    stronger combative tone; suggests active fighting for something

  • protector

    broader; can apply to both ideas and people

文法句型

custodian of [tradition/values/principles]

用法筆記

Distinguish from sense 1 (verb/1): the object here is an abstract ideal (values, traditions, beliefs), not a tangible item. Often used rhetorically when groups claim moral authority over an idea.

3. an employee who keeps a school, office, or other big property clean, in working

3.名詞B2
釋義

an employee who keeps a school, office, or other big property clean, in working order, and ready for daily use

例句

The school custodian, Christopher, unlocks the front gates every morning at six.

school custodian (job title)

Saira asked the building custodian to fix the broken classroom heater.

building custodian + [maintenance request]

同義詞
  • janitor

    American English; near-synonym, slightly less formal

  • caretaker

    British English equivalent for the same job

  • groundskeeper

    narrower; refers to outdoor grounds rather than indoor spaces

文法句型

[building]'s custodian

school custodian

用法筆記

Mainly American English; British speakers usually say 'caretaker' or 'janitor'. Common compound forms: 'school custodian', 'building custodian', 'night custodian'.

常見錯誤

I called the custodian to clean my flat.
I called the cleaner to clean my flat.
💡'custodian' refers to a building employee, not a household cleaner.