Dictionary.com
Thesaurus.com
Synonyms

custodian

American  
[kuh-stoh-dee-uhn] / kʌˈstoʊ di ən /

noun

  1. a person who has custody; keeper; guardian.

  2. a person entrusted with guarding or maintaining a property; janitor.


custodian British  
/ kʌsˈtəʊdɪən /

noun

  1. a person who has custody, as of a prisoner, ward, etc

  2. a guardian or keeper, as of an art collection, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • custodianship noun

Etymology

Origin of custodian

1775–85; < Latin custōdi ( a ) watchman ( custody ) + -an

Compare meaning

How does custodian compare to similar and commonly confused words? Explore the most common comparisons:

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He said in a statement that he was "more than a performer; he was the custodian of a uniquely South African sound that travelled across the world and united people through music".

From BBC • Apr. 6, 2026

The company, for example, called the separation of the roles of broker, exchange, and custodian into different firms a “a legacy of a paper-based system” unnecessary in the tokenized universe.

From Barron's • Mar. 31, 2026

I’m just that current custodian looking after them for future generations,’ ” Walker said.

From Los Angeles Times • Mar. 2, 2026

Few institutions embody France’s cultural inheritance as fully as the Louvre, whose galleries trace the arc of civilizations while reflecting the French state’s centuries-old role as custodian of artistic treasure.

From The Wall Street Journal • Feb. 24, 2026

Yvonne, Ma’s girlfriend for years, was a custodian at Tuttle’s Toy Emporium at Rockefeller Center downtown.

From "The Stars Beneath Our Feet" by David Barclay Moore