unthaw

verb un·thaw \ ˌən-ˈthȯ \
|Updated on: 16 Jun 2018

Definition of unthaw

unthawed; unthawing
transitive + intransitive
: 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
  • Escape the winter freeze and unthaw in beautiful tropical settings …
  • Business Wire
Note: 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.

Recent Examples of unthaw from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unthaw.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of unthaw

1598

in the meaning defined above

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