indefinite

adjective

in·​def·​i·​nite (ˌ)in-ˈde-fə-nət 

-ˈdef-nət

: not definite: such as

a

: not precise : vague

an indefinite answer

b

: having no exact limits

an indefinite period of time

put on indefinite hold

c

: typically designating an unidentified, generic, or unfamiliar person or thing

the indefinite articles a and an

indefinite pronouns

indefinite noun

indefinitely adverb

indefiniteness noun

Synonyms of indefinite

• infinite
• endless

Examples of indefinite in a Sentence

We're stuck here for an indefinite period of time.

Their plans have been put on indefinite hold.

She is indefinite about her plans.

Recent Examples on the Web

That torment of uncertainty, the way indefinite pain can feel eternal. —Jack Dunn, Variety, 5 Apr. 2026

That's a technical legal term referring to whether some resides in a place with a permanent or indefinite plan to remain there. —Aysha Bagchi, USA Today, 1 Apr. 2026

This would surely not price in an indefinite crisis or a recession ahead. —Michael Santoli, CNBC, 30 Mar. 2026

And plans for Israeli control over a vast swath of territory for an indefinite period. —Chantal Da Silva, NBC news, 27 Mar. 2026

Word History

Etymology

Latin indefinitus, from in- + definitus definite

First Known Use

1530, in the meaning defined above

Phrases Containing indefinite

• indefinite article
• indefinite integral
• indefinite pronoun

Rhymes for indefinite

• definite

Kids Definition

indefinite

adjective

in·​def·​i·​nite (ˈ)in-ˈdef-(ə-)nət 

1

: not clear or fixed in meaning or details : vague

an indefinite answer

2

: not certain or limited (as in amount or length)

an indefinite period

3

: typically designating a person or thing that is unidentified or cannot be immediately identified

the indefinite articles "a" and "an"

indefinite noun

indefinitely adverb

indefiniteness noun