unthaw

verb, transitive + intransitive un·thaw \ ˌən-ˈthȯ \

Definition of unthaw

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
  • 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


Seen and Heard

What made you want to look up unthaw? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to lower or disgrace the reputation of

Get Word of the Day daily email!

Test Your Vocabulary

Odd Habits and Quirks Quiz

  • image1926873504
  • Which of the following best describes an easily irritated person?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!