Definition

A person responsible for cleaning and maintaining a building, or someone who protects and takes care of something.

Example

The custodian cleaned the school every evening after the students went home.

Conversation

I saw the custodian cleaning the gym after school today.

Oh really? They work so hard to keep the place tidy.

Yeah, I appreciate how the custodian always makes it look nice.

For sure! It makes a big difference for everyone using the facilities.

Synonyms & Antonyms

Root Explanation

Custodian → It is formed from "custos" (meaning guard or keeper) and the suffix "-ian" (meaning relating to or characterized by). The word "custodian" refers to a person who is a keeper or guardian of something.

Memory Tip

Think of a 'keeper' ('custos') who is 'related to' ('-ian') the responsibility of guarding or taking care of something.

Visually Confused Words