ultralow

adjective

ul·​tra·​low ˌəl-trə-ˈlō How to pronounce ultralow (audio)
: extremely or extraordinarily low
ultralow interest rates
vehicles with ultralow emissions
Communicating with subs thousands of miles away, under thousands of feet of ocean, requires ultralow frequencies.—Noah Shachtman

Examples of ultralow in a Sentence

Recent Examples on the Web
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.
Indeed, a great many economists began to assume—based on demographics and low productivity growth—that interest rates would remain ultralow indefinitely, a theory that seemed to imply that there were only minimal costs to higher debt. — Kenneth S. Rogoff, Foreign Affairs, 12 Aug. 2026 Made for tight dorm rooms, the Canon Pixma TS3722 offers simple print, copy, and scan functionality at an ultralow price tag. — Juhi Wadia, PC Magazine, 7 Aug. 2026 Plus, borrowing during the era of ultralow interest rates in the 2010s was especially attractive. — Sydney Lake, Fortune, 9 Mar. 2026 One wild card is the situation in Japan, where a long era of ultralow borrowing costs appears to have ended. — Arkansas Online, 3 Feb. 2026 See All Example Sentences for ultralow

Word History

First Known Use

1849, in the meaning defined above

Time Traveler
The first known use of ultralow was in 1849

Rhymes for ultralow

See All Rhymes for ultralow

Browse Nearby Words

ultralightweight
ultralow
ultralow frequency
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Cite this Entry

“Ultralow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultralow. Accessed 15 Aug. 2026.

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