sub-zero
Americanadjective
-
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.
Etymology
Origin of sub-zero
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
However, a sub-zero start to the day is also expected in many other areas including central and northern England, north Wales and Northern Ireland.
From BBC ● Feb. 17, 2026
The spokesman also told AFP that most of the casualties were caused by roof collapses and avalanches, while many also died from frostbite in sub-zero temperatures.
From Barron's ● Jan. 24, 2026
It warned that the Arctic blast will bring sub-zero temperatures and wind chills, which "pose a life-threatening risk of hypothermia and frostbite to exposed skin".
From BBC ● Jan. 23, 2026
They are also without the suspended Lamine Yamal for Wednesday's match, which will take place in sub-zero conditions.
From Barron's ● Jan. 20, 2026
He was behind his curtain now, looking down at himself freezing under the impact of water in sub-zero winds.
From "Native Son" by Richard Wright
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