UNDETERMINED Synonyms: 69 Similar and Opposite Words

undetermined

adjective

ˌən-di-ˈtər-mənd

Definition of undetermined

as in vague

not seen or understood clearly an undetermined form seen only from a distance

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in pending

not yet settled or decided the fate of the prisoners is still undetermined

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 undetermined Lineage believes the California fire began when solar panel contractors were working on the roof, while the Washington fire’s cause is undetermined. — Celina Tebor, CNN Money, 8 Aug. 2026 An independent autopsy commissioned on the family’s behalf listed Wells’ cause and manner of death as undetermined pending further investigation. — Janelle Griffith, PEOPLE, 5 Aug. 2026 So far, investigations are ongoing and the nature and cause of Wells’ death remain undetermined. — James M. Thomas, The Conversation, 5 Aug. 2026 Cornucopian, a 4-year-old son of Into Mischief, suffered an injury of undetermined severity nearing the quarter pole on the far turn and was pulled up by jockey Juan Hernandez. — Bill Center, San Diego Union-Tribune, 26 July 2026 See All Example Sentences for undetermined

Recent Examples of Synonyms for undetermined

Adjective

Schedule the appointment, set the reminder, protect the rest window, and let one steady step make the pressure feel less vague.

— Tarot.com, Chicago Tribune, 21 Aug. 2026
However, the piece maintains that vague assurances are not enough and that Becerra should commit to a specific time and place, framing a face-to-face debate as an obligation rather than a tactical option.

— Los Angeles Times, Los Angeles Times, 20 Aug. 2026

Definition of vague

Adjective

Roughly 120 copyright suits against AI developers remain pending, and several could produce a rule that contradicts this one.

— TerDawn DeBoe, Forbes.com, 17 Aug. 2026
Turner was out of jail while facing two separate armed robbery cases that remain pending, according to court records.

— Nate Gartrell, Mercury News, 11 Aug. 2026

Definition of pending

Adjective

Led by researchers at the University of Cambridge, the mission aims to detect the faint 21-centimeter radio line emitted by early hydrogen atoms operating at low frequencies (10–50 MHz), a signal never before directly observed.

— Mrigakshi Dixit, Interesting Engineering, 14 Aug. 2026
During search operations, hundreds of onlookers and volunteers must be kept quiet enough in the middle of a bustling city to listen for the faintest sign of life.

— CBS News, CBS News, 13 Aug. 2026

Definition of faint

Adjective

The pattern could remain a little unsettled into the weekend, but confidence in rain chances remains low.

— Andrew Kozak, CBS News, 17 Aug. 2026
The volume was another big shift, too, as Simpson has had a strikingly low number of reps in training camp despite the unsettled nature of the Rams’ backup quarterback position after Jimmy Garoppolo’s departure.

— Nate Atkins, New York Times, 16 Aug. 2026

Definition of unsettled

Adjective

The executive order does not set a deadline for the committee to submit its recommendations, leaving it unclear when a temporary board could be seated.

— CBS News, CBS News, 18 Aug. 2026
Even if debris completely burns up during reentry, the effect of so much metal and other aerospace materials being dumped into our planet’s fragile upper atmosphere is unclear.

— Jonathan O'Callaghan, Scientific American, 18 Aug. 2026

Definition of unclear

Adjective

The paper’s authors noted a handful of liability, reimbursement and regulatory hurdles remain unresolved and, as of now, won’t allow for non-human-doctors to administer care on their own.

— Mary Whitfill Roeloffs, Forbes.com, 17 Aug. 2026
Strategists warn that rock-bottom volatility, fresh stock market all-time highs and unresolved geopolitical risks are converging just as markets enter the historically stormy mid-August-to-mid-October stretch.

— Hugh Leask, CNBC, 17 Aug. 2026

Definition of unresolved

Adjective

The remaining counts were split between supporting the lifting of the ban and undecided.

— Brittney Ermon, CBS News, 20 Aug. 2026
Six percent were undecided, and despite the survey’s three-point margin of error, Democrats might be poised to retake control of at least one congressional chamber.

— Ray Lewis, Baltimore Sun, 20 Aug. 2026

Definition of undecided

Browse Nearby Words

undetected

undetermined

undeterred

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“Undetermined.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undetermined. Accessed 22 Aug. 2026.

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Synonyms of undetermined

adjective

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