INDEFINITE Synonyms: 132 Similar and Opposite Words

indefinite

adjective

(ˌ)in-ˈde-fə-nət

Definition of indefinite

as in infinite

being or seeming to be without limits the indefinite vastness of the frozen tundra

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in vague

not expressed in precise terms an indefinite longing for something new and exciting in her life

Synonyms & Similar Words

Antonyms & Near Antonyms

as in faint

not seen or understood clearly through the dense fog we could just barely discern the indefinite form of another boat

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of indefinite California Highway Patrol officers closed Bouquet Canyon Road at Vasquez Canyon Road for an indefinite amount of time as the fire continued to burn. — Dean Fioresi, CBS News, 6 Oct. 2026 In broad terms, an indefinite employment relationship is presumed to be terminable at the will of either party. — William Jones, Sacbee.com, 2 Oct. 2026 But that arrangement became effectively indefinite, with successive heads of Tigray’s interim administration appointed by Abiy. — Alemayehu Fentaw Weldemariam, The Conversation, 29 Sep. 2026 Spain’s government has pledged to announce housing measures Tuesday, as protesters call for indefinite rental contracts and an end to evictions when no alternative housing is available. — Alicia León, Los Angeles Times, 27 Sep. 2026 See All Example Sentences for indefinite

Recent Examples of Synonyms for indefinite

Adjective

If Fielder is again playing a version of himself here, Holmes seems to be offering near infinite versions of herself up for examination, like a set of unblinking reflections in a hall of funhouse mirrors.

— David Mack, CNN Money, 16 Oct. 2026
More emails, more notifications, more infinite feeds — the steady drip of data spells doom for the overstimulated American.

— Adam Clark Estes, Vox, 16 Oct. 2026

Definition of infinite

Adjective

Recent criticism The century-old restaurant guide is famous for its secrecy; its inspectors are anonymous and the company releases only vague information about their evaluation process.

— Henri Hollis, AJC.com, 20 Oct. 2026
The plaintiffs had argued those terms were vague, and that the council selectively used them to silence prominent critics, violating their First Amendment rights.

— Danya Gainor, CNN Money, 20 Oct. 2026

Definition of vague

Adjective

Most of the work of recovery is about treating whatever is causing people to escape their lives into endless scrolling and stimulation, Kardaras says.

— Allison Parshall, Scientific American, 20 Oct. 2026
To help banish the endless procrastination, National Geographic’s 2027 list of 25 must-visit destinations for the year ahead is one of its most timely and experience-driven recommendations yet.

— Maureen O'Hare, CNN Money, 20 Oct. 2026

Definition of endless

Adjective

The scope of the investigation into Omar is unclear, though Homeland Security Secretary Markwayne Mullin has suggested that authorities were examining potential crimes related to her family's immigration paperwork.

— Arkansas Online, Arkansas Online, 18 Oct. 2026
He’s also accused of having improper or unclear license plates, no proof of registration and insurance, and no proof of a driver’s license.

— Leigh Egan, FOXNews.com, 18 Oct. 2026

Definition of unclear

Adjective

But the future of early-career employment is increasingly ambiguous, largely due to the rapid rise of artificial intelligence, according to the National Association of Colleges and Employers.

— Jessica Dickler, CNBC, 15 Oct. 2026
From here on out, the authorship of Tae-ju’s life is ambiguous, as well as constantly in flux, buffeted by the whims and suggestions of others, as well as by her own impulses.

— Guy Lodge, Variety, 14 Oct. 2026

Definition of ambiguous

Browse Nearby Words

indefinable

indefinite

indefiniteness

See all Nearby Words

Cite this Entry

Style

“Indefinite.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/indefinite. Accessed 21 Oct. 2026.

Copy Citation

Synonyms of indefinite

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

jilt

Popular in Grammar & Usage

Merriam-Webster’s Great Big List of Words You Love to Hate

'Can' vs. 'May'

'Affect' vs. 'Effect'

More Commonly Mispronounced Words

Is it 'nerve-racking' or 'nerve-wracking'?

Popular in Wordplay

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Did 'orange' the fruit or the color come first?

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Popular

Merriam-Webster’s Great Big List of Words You Love to Hate

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Games & Quizzes