custodial

adjective

cus·​to·​di·​al ˌkə-ˈstō-dē-əl 

1

a

: relating to guardianship

b

: relating to, providing, or being protective care or services for basic needs

nursing and custodial care

2

: having sole or primary custody of a child

the custodial parent

Examples of custodial in a Sentence

Her mother is the custodial parent.

Recent Examples on the Web

State prisons also rely on inmate labor for food, laundry, and custodial work, according to court documents in this case. —Austen Erblat, CBS News, 16 Feb. 2026

The same is true for withdrawals from 529 college savings plans owned by non-custodial relatives. —Liz Weston, San Diego Union-Tribune, 15 Feb. 2026

While the vote was unanimous, Trustee Jamela Smith-Folds criticized the majority of her colleagues who approved new contracts with two of the district’s labor groups, United Teachers of Richmond and Teamsters Local 856, the union representing custodial staff, cafeteria workers and others. —Sierra Lopez, Mercury News, 15 Feb. 2026

This last group remained in a sort of custodial purgatory, until a judge decided their fates in the Los Angeles County dependency case. —Ava Kofman, New Yorker, 9 Feb. 2026

Word History

First Known Use

1678, in the meaning defined at sense 1a

Rhymes for custodial

• noncustodial

Medical Definition

custodial

adjective

cus·​to·​di·​al ˌkəs-ˈtōd-ē-əl 

1

: relating to, providing, or being protective care or services for basic needs

nursing and custodial care

2

: having sole or primary custody of a child

the custodial parent

Legal Definition

custodial

adjective

cus·​to·​di·​al kə-ˈstō-dē-əl 

1

: occurring during or in connection with custody

a custodial interrogation

2

: having sole custody or custody a greater portion of the time

a custodial parent