as in vague
not seen or understood clearly
plagued by undefined worries that kept her awake at night
Synonyms & Similar Words
Relevance
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 undefined
The younger Bayh is largely undefined.
—
Hayleigh Colombo, IndyStar, 19 Aug. 2025
Many have compared Gladys to a classic fairy tale antagonist, a villain whose undefined age and unambiguously evil motivations thrust a town into chaos.
—Brian Welk, IndieWire, 12 Aug. 2025
Over seven hallucinatory days, a village with no name, in an undefined time and place, disappears.
—Jill Goldsmith, Deadline, 1 Aug. 2025
But with just two years to go, much remains undefined.
—Rhonda Richford, Footwear News, 3 Sep. 2019
See All Example Sentences for undefined
Hayleigh Colombo, IndyStar, 19 Aug. 2025
Many have compared Gladys to a classic fairy tale antagonist, a villain whose undefined age and unambiguously evil motivations thrust a town into chaos.
—Brian Welk, IndieWire, 12 Aug. 2025
Over seven hallucinatory days, a village with no name, in an undefined time and place, disappears.
—Jill Goldsmith, Deadline, 1 Aug. 2025
But with just two years to go, much remains undefined.
—Rhonda Richford, Footwear News, 3 Sep. 2019
See All Example Sentences for undefined
Recent Examples of Synonyms for undefined
Adjective
-
Allowing the President to unlawfully remove Governor Cook on unsubstantiated and vague allegations would endanger the stability of our financial system and undermine the rule of law.—
Siladitya Ray,
Forbes.com,
10 Sep. 2025
-
But many of the recommendations were vague or lacked the teeth some experts hoped to see from a document MAHA allies for months had said would dramatically transform the health of Americans.—
Will McDuffie,
ABC News,
9 Sep. 2025
Adjective
-
Subways send a low rumble through the pavement, traffic makes overpasses quiver, and footsteps create faint ripples in the floor.—
Bojan Stojkovski,
Interesting Engineering,
13 Sep. 2025
-
For objects like star clusters, a longer imaging time gives you the chance to resolve fainter stars.—
Harry Bennett,
Space.com,
11 Sep. 2025
Cite this Entry
“Undefined.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undefined. Accessed 16 Sep. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share