unused

adjective

un·​used ˌən-ˈyüzd 

in the phrase "unused to" usually -ˈyüs(t)

1

: not habituated : unaccustomed

unused to crowds

2

: not used: such as

a

: fresh, new

set an unused canvas on the easel

b

: not put to use : idle

unused land

c

: not consumed : accrued

unused sick leave

Synonyms of unused

• unadjusted
• unadapted
• unaccustomed

Examples of unused in a Sentence

The library has been unused for 10 years.

I have four days of unused vacation time left.

Recent Examples on the Web

The company said $25 million could be recovered per quarter and any unused money could be returned to ratepayers. —Judith Kohler, Denver Post, 21 Apr. 2026

The lines had sat unused since 2015, when a pipe rupture caused one of the state’s largest oil spills. —Grace Toohey, Los Angeles Times, 20 Apr. 2026

The project, which was initially approved in 2001, involves clearing 65 acres of the landfill’s unused property and excavating 7 million cubic yards of dirt and rock to accommodate South Orange County’s waste disposal needs through 2102, extending the facility’s operating life by 50 years. —Claire Wang, Oc Register, 17 Apr. 2026

One woman offered her unused patches (the doctor increased her estrogen dose) to friends who couldn’t find them. —Laura Trujillo, USA Today, 17 Apr. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing unused

• unused to

Rhymes for unused

• disabused
• overused
• underused
• unexcused
• abused
• accused
• amused
• bemused
• confused
• contused
• defused
• diffused

Kids Definition

unused

adjective

un·​used ˌən-ˈyüzd 

ˈən-

in the phrase "

unused to "

usually -ˈyüs(t)

1

: not accustomed

unused to crowds

2

a

: not having been used before

an unused paintbrush

b

: not being in use : idle

c

: available for future use

unused vacation time