unthawed; unthawing
: thaw
A fuel station operator apparently caused the 5:30 a.m. blast by using an open flame to unthaw a frozen tank valve …—
Associated Press
Associated PressEscape the winter freeze and unthaw in beautiful tropical settings …—Business Wire
Business WireNote: Although unthaw as a synonym of thaw is sometimes cited as an illogical error, it has persisted in occasional use for more than four centuries. It occurs in both American and British English.
Examples of unthaw in a Sentence
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Saturn leaving Pisces on February 13 lifts the heavy blanket of sorrow and exhaustion that’s been dampening your life force for the last three years, freeing you to unthaw a bit from the winter of your discontent.
—Steph Koyfman, Condé Nast Traveler, 29 Jan. 2026
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Steph Koyfman, Condé Nast Traveler, 29 Jan. 2026
Cite this Entry
“Unthaw.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unthaw. Accessed 1 Feb. 2026.
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