sub-zero

[ suhb-zeer-oh ]

/ sʌbˈzɪər oʊ /

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See synonyms for sub-zero on Thesaurus.com

adjective

indicating or recording lower than zero on some scale, especially on the Fahrenheit scale: a week of sub-zero temperatures.

characterized by or appropriate for sub-zero temperatures: sub-zero climates; sub-zero clothing for the exploration.

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Origin of sub-zero

sub- + zero

Words nearby sub-zero

subvocal, sub voce, subway, subway tile, subwoofer, sub-zero, subzone, suc, succah, succedaneum, succedent

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use sub-zero in a sentence

Not quite, but at one point the temperature registered 29 below zero, with 21 inches of snow.
Speed Read: The Juiciest Bits From the History of ‘Purple Rain’|Jennie Yabroff|January 1, 2015|DAILY BEAST
“One-third of South Asians and more than half of all Sub-Saharan Africans suffer from malnutrition or undernutrition,” he writes.
The History of the Chicken: How This Humble Bird Saved Humanity|William O’Connor|December 27, 2014|DAILY BEAST
The longer someone stays well, the lower their chance of relapsing, although that possibility never becomes zero.
You’re Never ‘Cured’ of an Eating Disorder|Carrie Arnold|December 20, 2014|DAILY BEAST
Is it True that “Gays vs. Traditionalists are a Zero-Sum Game”?
Do LGBTs Owe Christians an Olive Branch? Try The Other Way Around|Jay Michaelson|December 14, 2014|DAILY BEAST

Islamic State brought “peace, autonomy, zero corruption, low crime-rate,” he Tweeted last month.
The Scared Widdle Kitty of ISIS|Jacob Siegel|December 12, 2014|DAILY BEAST
But the day he planned to start was very cold—the mercury stood twenty-seven below zero.
The Homesteader|Oscar Micheaux
Habet Rimbegui ostia sua sub gradu quadragesimo tertio cum besse.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
Lannes enlisted in the second battalion of the volunteers of Gers, and was at once elected sub-lieutenant by his fellow-citizens.
Napoleon's Marshals|R. P. Dunn-Pattison
Not only did he provide sub-octave and super-octave couplers freely, but he even added a Swell Sub-quint to Great coupler!
The Recent Revolution in Organ Building|George Laing Miller
REEF k, in latitude 14 degrees 47 minutes, has a dry sand upon it: its sub-marine extent was not ascertained.
Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]|Phillip Parker King

British Dictionary definitions for sub-zero

subzero

/ (sʌbˈzɪərəʊ) /

adjective

(esp of temperature) lower or less than zero

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012